Home / 39,239,811.77-54,150,510.53-21,598,337.15

Finding the Fourth Proportional to 39,239,811.77, 54,150,510.53 and 21,598,337.15

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Solution

The fourth proportional to 39,239,811.77, 54,150,510.53 and 21,598,337.15 is: 29,805,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239,811.77 : 54,150,510.53 = 21,598,337.15 : x
  2. Step 2: Convert to fraction form
    39,239,811.77/54,150,510.53 = 21,598,337.15/x
  3. Step 3: Cross multiply
    39,239,811.77x = 54,150,510.53 × 21,598,337.15
  4. Step 4: Simplify right side
    39,239,811.77x = 1,169,560,982,892,821
  5. Step 5: Solve for x
    x = 1,169,560,982,892,821/39,239,811.77
  6. Step 6: Final answer
    x = 29,805,468.74

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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.