Home / 10,529,589.38-15,792,386.60-5,132,812.10

Finding the Fourth Proportional to 10,529,589.38, 15,792,386.60 and 5,132,812.10

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Solution

The fourth proportional to 10,529,589.38, 15,792,386.60 and 5,132,812.10 is: 7,698,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529,589.38 : 15,792,386.60 = 5,132,812.10 : x
  2. Step 2: Convert to fraction form
    10,529,589.38/15,792,386.60 = 5,132,812.10/x
  3. Step 3: Cross multiply
    10,529,589.38x = 15,792,386.60 × 5,132,812.10
  4. Step 4: Simplify right side
    10,529,589.38x = 81,059,352,962,227.95
  5. Step 5: Solve for x
    x = 81,059,352,962,227.95/10,529,589.38
  6. Step 6: Final answer
    x = 7,698,244.45

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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.