Home / 15,524,941.86-21,423,917.34-8,910,619.02

Finding the Fourth Proportional to 15,524,941.86, 21,423,917.34 and 8,910,619.02

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Solution

The fourth proportional to 15,524,941.86, 21,423,917.34 and 8,910,619.02 is: 12,296,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524,941.86 : 21,423,917.34 = 8,910,619.02 : x
  2. Step 2: Convert to fraction form
    15,524,941.86/21,423,917.34 = 8,910,619.02/x
  3. Step 3: Cross multiply
    15,524,941.86x = 21,423,917.34 × 8,910,619.02
  4. Step 4: Simplify right side
    15,524,941.86x = 190,900,365,332,711.78
  5. Step 5: Solve for x
    x = 190,900,365,332,711.78/15,524,941.86
  6. Step 6: Final answer
    x = 12,296,365.88

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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.