Home / 40,423,712.70-60,644,426.40-19,963,234.20

Finding the Fourth Proportional to 40,423,712.70, 60,644,426.40 and 19,963,234.20

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Solution

The fourth proportional to 40,423,712.70, 60,644,426.40 and 19,963,234.20 is: 29,949,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423,712.70 : 60,644,426.40 = 19,963,234.20 : x
  2. Step 2: Convert to fraction form
    40,423,712.70/60,644,426.40 = 19,963,234.20/x
  3. Step 3: Cross multiply
    40,423,712.70x = 60,644,426.40 × 19,963,234.20
  4. Step 4: Simplify right side
    40,423,712.70x = 1,210,658,887,147,862.75
  5. Step 5: Solve for x
    x = 1,210,658,887,147,862.75/40,423,712.70
  6. Step 6: Final answer
    x = 29,949,225.50

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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.