Home / 10,787,621.60-16,181,432.40-9,087,010.40

Finding the Fourth Proportional to 10,787,621.60, 16,181,432.40 and 9,087,010.40

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Solution

The fourth proportional to 10,787,621.60, 16,181,432.40 and 9,087,010.40 is: 13,630,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,621.60 : 16,181,432.40 = 9,087,010.40 : x
  2. Step 2: Convert to fraction form
    10,787,621.60/16,181,432.40 = 9,087,010.40/x
  3. Step 3: Cross multiply
    10,787,621.60x = 16,181,432.40 × 9,087,010.40
  4. Step 4: Simplify right side
    10,787,621.60x = 147,040,844,505,696.97
  5. Step 5: Solve for x
    x = 147,040,844,505,696.97/10,787,621.60
  6. Step 6: Final answer
    x = 13,630,515.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.