Home / 21,908,664.47-32,865,985.91-9,126,179.82

Finding the Fourth Proportional to 21,908,664.47, 32,865,985.91 and 9,126,179.82

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Solution

The fourth proportional to 21,908,664.47, 32,865,985.91 and 9,126,179.82 is: 13,690,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908,664.47 : 32,865,985.91 = 9,126,179.82 : x
  2. Step 2: Convert to fraction form
    21,908,664.47/32,865,985.91 = 9,126,179.82/x
  3. Step 3: Cross multiply
    21,908,664.47x = 32,865,985.91 × 9,126,179.82
  4. Step 4: Simplify right side
    21,908,664.47x = 299,940,897,399,061.81
  5. Step 5: Solve for x
    x = 299,940,897,399,061.81/21,908,664.47
  6. Step 6: Final answer
    x = 13,690,514.90

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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.