Home / 10,791,889.90-16,187,834.85-5,417,118.70

Finding the Fourth Proportional to 10,791,889.90, 16,187,834.85 and 5,417,118.70

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Solution

The fourth proportional to 10,791,889.90, 16,187,834.85 and 5,417,118.70 is: 8,125,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,889.90 : 16,187,834.85 = 5,417,118.70 : x
  2. Step 2: Convert to fraction form
    10,791,889.90/16,187,834.85 = 5,417,118.70/x
  3. Step 3: Cross multiply
    10,791,889.90x = 16,187,834.85 × 5,417,118.70
  4. Step 4: Simplify right side
    10,791,889.90x = 87,691,422,878,446.70
  5. Step 5: Solve for x
    x = 87,691,422,878,446.70/10,791,889.90
  6. Step 6: Final answer
    x = 8,125,678.05

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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.