Home / 40,421,044.20-60,640,423.67-19,960,565.70

Finding the Fourth Proportional to 40,421,044.20, 60,640,423.67 and 19,960,565.70

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Solution

The fourth proportional to 40,421,044.20, 60,640,423.67 and 19,960,565.70 is: 29,945,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,044.20 : 60,640,423.67 = 19,960,565.70 : x
  2. Step 2: Convert to fraction form
    40,421,044.20/60,640,423.67 = 19,960,565.70/x
  3. Step 3: Cross multiply
    40,421,044.20x = 60,640,423.67 × 19,960,565.70
  4. Step 4: Simplify right side
    40,421,044.20x = 1,210,417,160,641,067.25
  5. Step 5: Solve for x
    x = 1,210,417,160,641,067.25/40,421,044.20
  6. Step 6: Final answer
    x = 29,945,222.46

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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.