Home / 21,381,140.88-32,071,710.84-9,863,200.68

Finding the Fourth Proportional to 21,381,140.88, 32,071,710.84 and 9,863,200.68

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Solution

The fourth proportional to 21,381,140.88, 32,071,710.84 and 9,863,200.68 is: 14,794,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,140.88 : 32,071,710.84 = 9,863,200.68 : x
  2. Step 2: Convert to fraction form
    21,381,140.88/32,071,710.84 = 9,863,200.68/x
  3. Step 3: Cross multiply
    21,381,140.88x = 32,071,710.84 × 9,863,200.68
  4. Step 4: Simplify right side
    21,381,140.88x = 316,329,720,165,851.38
  5. Step 5: Solve for x
    x = 316,329,720,165,851.38/21,381,140.88
  6. Step 6: Final answer
    x = 14,794,800.80

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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.