Home / 20,941,629.40-31,436,063.70-16,170,470.20

Finding the Fourth Proportional to 20,941,629.40, 31,436,063.70 and 16,170,470.20

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Solution

The fourth proportional to 20,941,629.40, 31,436,063.70 and 16,170,470.20 is: 24,273,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,629.40 : 31,436,063.70 = 16,170,470.20 : x
  2. Step 2: Convert to fraction form
    20,941,629.40/31,436,063.70 = 16,170,470.20/x
  3. Step 3: Cross multiply
    20,941,629.40x = 31,436,063.70 × 16,170,470.20
  4. Step 4: Simplify right side
    20,941,629.40x = 508,335,931,266,151.69
  5. Step 5: Solve for x
    x = 508,335,931,266,151.69/20,941,629.40
  6. Step 6: Final answer
    x = 24,273,943.62

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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.