Home / 21,521,390.40-32,218,117.92-21,493,046.88

Finding the Fourth Proportional to 21,521,390.40, 32,218,117.92 and 21,493,046.88

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Solution

The fourth proportional to 21,521,390.40, 32,218,117.92 and 21,493,046.88 is: 32,175,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,390.40 : 32,218,117.92 = 21,493,046.88 : x
  2. Step 2: Convert to fraction form
    21,521,390.40/32,218,117.92 = 21,493,046.88/x
  3. Step 3: Cross multiply
    21,521,390.40x = 32,218,117.92 × 21,493,046.88
  4. Step 4: Simplify right side
    21,521,390.40x = 692,465,518,839,928.12
  5. Step 5: Solve for x
    x = 692,465,518,839,928.12/21,521,390.40
  6. Step 6: Final answer
    x = 32,175,686.88

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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.