Home / 39,423,121.74-54,403,334.91-22,019,714.46

Finding the Fourth Proportional to 39,423,121.74, 54,403,334.91 and 22,019,714.46

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Solution

The fourth proportional to 39,423,121.74, 54,403,334.91 and 22,019,714.46 is: 30,386,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423,121.74 : 54,403,334.91 = 22,019,714.46 : x
  2. Step 2: Convert to fraction form
    39,423,121.74/54,403,334.91 = 22,019,714.46/x
  3. Step 3: Cross multiply
    39,423,121.74x = 54,403,334.91 × 22,019,714.46
  4. Step 4: Simplify right side
    39,423,121.74x = 1,197,945,900,389,949.75
  5. Step 5: Solve for x
    x = 1,197,945,900,389,949.75/39,423,121.74
  6. Step 6: Final answer
    x = 30,386,885.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.