Home / 10,442,821.83-15,664,169.56-5,680,775.13

Finding the Fourth Proportional to 10,442,821.83, 15,664,169.56 and 5,680,775.13

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Solution

The fourth proportional to 10,442,821.83, 15,664,169.56 and 5,680,775.13 is: 8,521,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442,821.83 : 15,664,169.56 = 5,680,775.13 : x
  2. Step 2: Convert to fraction form
    10,442,821.83/15,664,169.56 = 5,680,775.13/x
  3. Step 3: Cross multiply
    10,442,821.83x = 15,664,169.56 × 5,680,775.13
  4. Step 4: Simplify right side
    10,442,821.83x = 88,984,624,868,551.05
  5. Step 5: Solve for x
    x = 88,984,624,868,551.05/10,442,821.83
  6. Step 6: Final answer
    x = 8,521,128.32

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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.