Home / 11,248,817.95-15,517,153.29-9,157,909.60

Finding the Fourth Proportional to 11,248,817.95, 15,517,153.29 and 9,157,909.60

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Solution

The fourth proportional to 11,248,817.95, 15,517,153.29 and 9,157,909.60 is: 12,632,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248,817.95 : 15,517,153.29 = 9,157,909.60 : x
  2. Step 2: Convert to fraction form
    11,248,817.95/15,517,153.29 = 9,157,909.60/x
  3. Step 3: Cross multiply
    11,248,817.95x = 15,517,153.29 × 9,157,909.60
  4. Step 4: Simplify right side
    11,248,817.95x = 142,104,687,079,162.56
  5. Step 5: Solve for x
    x = 142,104,687,079,162.56/11,248,817.95
  6. Step 6: Final answer
    x = 12,632,855.09

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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.