Home / 10,781,516.47-14,878,380.05-5,886,723.46

Finding the Fourth Proportional to 10,781,516.47, 14,878,380.05 and 5,886,723.46

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Solution

The fourth proportional to 10,781,516.47, 14,878,380.05 and 5,886,723.46 is: 8,123,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,516.47 : 14,878,380.05 = 5,886,723.46 : x
  2. Step 2: Convert to fraction form
    10,781,516.47/14,878,380.05 = 5,886,723.46/x
  3. Step 3: Cross multiply
    10,781,516.47x = 14,878,380.05 × 5,886,723.46
  4. Step 4: Simplify right side
    10,781,516.47x = 87,584,908,887,130.98
  5. Step 5: Solve for x
    x = 87,584,908,887,130.98/10,781,516.47
  6. Step 6: Final answer
    x = 8,123,616.85

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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.