Home / 14,970,020.27-20,658,897.08-8,779,531.85

Finding the Fourth Proportional to 14,970,020.27, 20,658,897.08 and 8,779,531.85

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Solution

The fourth proportional to 14,970,020.27, 20,658,897.08 and 8,779,531.85 is: 12,115,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,020.27 : 20,658,897.08 = 8,779,531.85 : x
  2. Step 2: Convert to fraction form
    14,970,020.27/20,658,897.08 = 8,779,531.85/x
  3. Step 3: Cross multiply
    14,970,020.27x = 20,658,897.08 × 8,779,531.85
  4. Step 4: Simplify right side
    14,970,020.27x = 181,375,444,899,731.97
  5. Step 5: Solve for x
    x = 181,375,444,899,731.97/14,970,020.27
  6. Step 6: Final answer
    x = 12,115,911.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.