Home / 10,342,478.40-15,513,717.60-9,226,452.30

Finding the Fourth Proportional to 10,342,478.40, 15,513,717.60 and 9,226,452.30

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Solution

The fourth proportional to 10,342,478.40, 15,513,717.60 and 9,226,452.30 is: 13,839,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,478.40 : 15,513,717.60 = 9,226,452.30 : x
  2. Step 2: Convert to fraction form
    10,342,478.40/15,513,717.60 = 9,226,452.30/x
  3. Step 3: Cross multiply
    10,342,478.40x = 15,513,717.60 × 9,226,452.30
  4. Step 4: Simplify right side
    10,342,478.40x = 143,136,575,432,070.50
  5. Step 5: Solve for x
    x = 143,136,575,432,070.50/10,342,478.40
  6. Step 6: Final answer
    x = 13,839,678.45

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Double scale
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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.