Home / 8,805,504.30-13,208,256.45-7,388,328.30

Finding the Fourth Proportional to 8,805,504.30, 13,208,256.45 and 7,388,328.30

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Solution

The fourth proportional to 8,805,504.30, 13,208,256.45 and 7,388,328.30 is: 11,082,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,504.30 : 13,208,256.45 = 7,388,328.30 : x
  2. Step 2: Convert to fraction form
    8,805,504.30/13,208,256.45 = 7,388,328.30/x
  3. Step 3: Cross multiply
    8,805,504.30x = 13,208,256.45 × 7,388,328.30
  4. Step 4: Simplify right side
    8,805,504.30x = 97,586,934,923,192.53
  5. Step 5: Solve for x
    x = 97,586,934,923,192.53/8,805,504.30
  6. Step 6: Final answer
    x = 11,082,492.45

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Double scale
Find fourth proportional to 8,805,505.30, 13,208,257.95 and 7,388,329.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.