Home / 10,429,496.10-15,644,244.15-7,406,187.30

Finding the Fourth Proportional to 10,429,496.10, 15,644,244.15 and 7,406,187.30

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Solution

The fourth proportional to 10,429,496.10, 15,644,244.15 and 7,406,187.30 is: 11,109,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,496.10 : 15,644,244.15 = 7,406,187.30 : x
  2. Step 2: Convert to fraction form
    10,429,496.10/15,644,244.15 = 7,406,187.30/x
  3. Step 3: Cross multiply
    10,429,496.10x = 15,644,244.15 × 7,406,187.30
  4. Step 4: Simplify right side
    10,429,496.10x = 115,864,202,341,829.30
  5. Step 5: Solve for x
    x = 115,864,202,341,829.30/10,429,496.10
  6. Step 6: Final answer
    x = 11,109,280.95

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Double scale
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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.