Home / 15,117,591.15-20,861,376.93-8,590,314.69

Finding the Fourth Proportional to 15,117,591.15, 20,861,376.93 and 8,590,314.69

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Solution

The fourth proportional to 15,117,591.15, 20,861,376.93 and 8,590,314.69 is: 11,854,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117,591.15 : 20,861,376.93 = 8,590,314.69 : x
  2. Step 2: Convert to fraction form
    15,117,591.15/20,861,376.93 = 8,590,314.69/x
  3. Step 3: Cross multiply
    15,117,591.15x = 20,861,376.93 × 8,590,314.69
  4. Step 4: Simplify right side
    15,117,591.15x = 179,205,792,695,406.09
  5. Step 5: Solve for x
    x = 179,205,792,695,406.09/15,117,591.15
  6. Step 6: Final answer
    x = 11,854,123.51

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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.