Home / 13,193,130.80-19,789,696.20-4,674,328.40

Finding the Fourth Proportional to 13,193,130.80, 19,789,696.20 and 4,674,328.40

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Solution

The fourth proportional to 13,193,130.80, 19,789,696.20 and 4,674,328.40 is: 7,011,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,130.80 : 19,789,696.20 = 4,674,328.40 : x
  2. Step 2: Convert to fraction form
    13,193,130.80/19,789,696.20 = 4,674,328.40/x
  3. Step 3: Cross multiply
    13,193,130.80x = 19,789,696.20 × 4,674,328.40
  4. Step 4: Simplify right side
    13,193,130.80x = 92,503,538,975,032.08
  5. Step 5: Solve for x
    x = 92,503,538,975,032.08/13,193,130.80
  6. Step 6: Final answer
    x = 7,011,492.60

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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.