Home / 40,423,711.20-60,644,424.15-19,963,232.70

Finding the Fourth Proportional to 40,423,711.20, 60,644,424.15 and 19,963,232.70

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Solution

The fourth proportional to 40,423,711.20, 60,644,424.15 and 19,963,232.70 is: 29,949,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423,711.20 : 60,644,424.15 = 19,963,232.70 : x
  2. Step 2: Convert to fraction form
    40,423,711.20/60,644,424.15 = 19,963,232.70/x
  3. Step 3: Cross multiply
    40,423,711.20x = 60,644,424.15 × 19,963,232.70
  4. Step 4: Simplify right side
    40,423,711.20x = 1,210,658,751,263,949.75
  5. Step 5: Solve for x
    x = 1,210,658,751,263,949.75/40,423,711.20
  6. Step 6: Final answer
    x = 29,949,223.25

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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.