Home / 8,600,761.71-11,868,439.50-5,115,908.43

Finding the Fourth Proportional to 8,600,761.71, 11,868,439.50 and 5,115,908.43

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Solution

The fourth proportional to 8,600,761.71, 11,868,439.50 and 5,115,908.43 is: 7,059,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,761.71 : 11,868,439.50 = 5,115,908.43 : x
  2. Step 2: Convert to fraction form
    8,600,761.71/11,868,439.50 = 5,115,908.43/x
  3. Step 3: Cross multiply
    8,600,761.71x = 11,868,439.50 × 5,115,908.43
  4. Step 4: Simplify right side
    8,600,761.71x = 60,717,849,688,994.98
  5. Step 5: Solve for x
    x = 60,717,849,688,994.98/8,600,761.71
  6. Step 6: Final answer
    x = 7,059,589.81

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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.