Home / 21,660,001.70-32,490,002.55-8,876,257.70

Finding the Fourth Proportional to 21,660,001.70, 32,490,002.55 and 8,876,257.70

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Solution

The fourth proportional to 21,660,001.70, 32,490,002.55 and 8,876,257.70 is: 13,314,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,001.70 : 32,490,002.55 = 8,876,257.70 : x
  2. Step 2: Convert to fraction form
    21,660,001.70/32,490,002.55 = 8,876,257.70/x
  3. Step 3: Cross multiply
    21,660,001.70x = 32,490,002.55 × 8,876,257.70
  4. Step 4: Simplify right side
    21,660,001.70x = 288,389,635,307,457.12
  5. Step 5: Solve for x
    x = 288,389,635,307,457.12/21,660,001.70
  6. Step 6: Final answer
    x = 13,314,386.55

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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.