Home / 14,997,387.15-20,696,291.24-8,121,711.87

Finding the Fourth Proportional to 14,997,387.15, 20,696,291.24 and 8,121,711.87

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Solution

The fourth proportional to 14,997,387.15, 20,696,291.24 and 8,121,711.87 is: 11,207,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,387.15 : 20,696,291.24 = 8,121,711.87 : x
  2. Step 2: Convert to fraction form
    14,997,387.15/20,696,291.24 = 8,121,711.87/x
  3. Step 3: Cross multiply
    14,997,387.15x = 20,696,291.24 × 8,121,711.87
  4. Step 4: Simplify right side
    14,997,387.15x = 168,089,314,188,276.47
  5. Step 5: Solve for x
    x = 168,089,314,188,276.47/14,997,387.15
  6. Step 6: Final answer
    x = 11,207,906.58

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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.