Home / 14,969,996.53-20,658,864.26-8,779,508.11

Finding the Fourth Proportional to 14,969,996.53, 20,658,864.26 and 8,779,508.11

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Solution

The fourth proportional to 14,969,996.53, 20,658,864.26 and 8,779,508.11 is: 12,115,878.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,996.53 : 20,658,864.26 = 8,779,508.11 : x
  2. Step 2: Convert to fraction form
    14,969,996.53/20,658,864.26 = 8,779,508.11/x
  3. Step 3: Cross multiply
    14,969,996.53x = 20,658,864.26 × 8,779,508.11
  4. Step 4: Simplify right side
    14,969,996.53x = 181,374,666,361,831.50
  5. Step 5: Solve for x
    x = 181,374,666,361,831.50/14,969,996.53
  6. Step 6: Final answer
    x = 12,115,878.99

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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.