Home / 8,447,431.91-11,657,701.89-4,776,269.61

Finding the Fourth Proportional to 8,447,431.91, 11,657,701.89 and 4,776,269.61

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Solution

The fourth proportional to 8,447,431.91, 11,657,701.89 and 4,776,269.61 is: 6,591,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,431.91 : 11,657,701.89 = 4,776,269.61 : x
  2. Step 2: Convert to fraction form
    8,447,431.91/11,657,701.89 = 4,776,269.61/x
  3. Step 3: Cross multiply
    8,447,431.91x = 11,657,701.89 × 4,776,269.61
  4. Step 4: Simplify right side
    8,447,431.91x = 55,680,327,259,646.57
  5. Step 5: Solve for x
    x = 55,680,327,259,646.57/8,447,431.91
  6. Step 6: Final answer
    x = 6,591,391.07

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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.