Home / 10,752,454.40-16,128,681.60-5,377,683.20

Finding the Fourth Proportional to 10,752,454.40, 16,128,681.60 and 5,377,683.20

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Solution

The fourth proportional to 10,752,454.40, 16,128,681.60 and 5,377,683.20 is: 8,066,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,454.40 : 16,128,681.60 = 5,377,683.20 : x
  2. Step 2: Convert to fraction form
    10,752,454.40/16,128,681.60 = 5,377,683.20/x
  3. Step 3: Cross multiply
    10,752,454.40x = 16,128,681.60 × 5,377,683.20
  4. Step 4: Simplify right side
    10,752,454.40x = 86,734,940,078,469.12
  5. Step 5: Solve for x
    x = 86,734,940,078,469.12/10,752,454.40
  6. Step 6: Final answer
    x = 8,066,524.80

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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.