Home / 21,440,699.97-32,167,053.27-8,670,172.74

Finding the Fourth Proportional to 21,440,699.97, 32,167,053.27 and 8,670,172.74

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Solution

The fourth proportional to 21,440,699.97, 32,167,053.27 and 8,670,172.74 is: 13,007,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440,699.97 : 32,167,053.27 = 8,670,172.74 : x
  2. Step 2: Convert to fraction form
    21,440,699.97/32,167,053.27 = 8,670,172.74/x
  3. Step 3: Cross multiply
    21,440,699.97x = 32,167,053.27 × 8,670,172.74
  4. Step 4: Simplify right side
    21,440,699.97x = 278,893,908,387,681.88
  5. Step 5: Solve for x
    x = 278,893,908,387,681.88/21,440,699.97
  6. Step 6: Final answer
    x = 13,007,686.73

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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.