Home / 10,452,361.40-15,678,542.10-10,292,929.10

Finding the Fourth Proportional to 10,452,361.40, 15,678,542.10 and 10,292,929.10

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Solution

The fourth proportional to 10,452,361.40, 15,678,542.10 and 10,292,929.10 is: 15,439,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,361.40 : 15,678,542.10 = 10,292,929.10 : x
  2. Step 2: Convert to fraction form
    10,452,361.40/15,678,542.10 = 10,292,929.10/x
  3. Step 3: Cross multiply
    10,452,361.40x = 15,678,542.10 × 10,292,929.10
  4. Step 4: Simplify right side
    10,452,361.40x = 161,378,122,226,665.09
  5. Step 5: Solve for x
    x = 161,378,122,226,665.09/10,452,361.40
  6. Step 6: Final answer
    x = 15,439,393.65

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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.