Home / 20,861,377.20-31,292,065.80-14,484,085.20

Finding the Fourth Proportional to 20,861,377.20, 31,292,065.80 and 14,484,085.20

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Solution

The fourth proportional to 20,861,377.20, 31,292,065.80 and 14,484,085.20 is: 21,726,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,377.20 : 31,292,065.80 = 14,484,085.20 : x
  2. Step 2: Convert to fraction form
    20,861,377.20/31,292,065.80 = 14,484,085.20/x
  3. Step 3: Cross multiply
    20,861,377.20x = 31,292,065.80 × 14,484,085.20
  4. Step 4: Simplify right side
    20,861,377.20x = 453,236,947,131,206.12
  5. Step 5: Solve for x
    x = 453,236,947,131,206.12/20,861,377.20
  6. Step 6: Final answer
    x = 21,726,127.80

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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.