Home / 10,787,243.20-16,180,864.80-9,863,454.40

Finding the Fourth Proportional to 10,787,243.20, 16,180,864.80 and 9,863,454.40

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Solution

The fourth proportional to 10,787,243.20, 16,180,864.80 and 9,863,454.40 is: 14,795,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,243.20 : 16,180,864.80 = 9,863,454.40 : x
  2. Step 2: Convert to fraction form
    10,787,243.20/16,180,864.80 = 9,863,454.40/x
  3. Step 3: Cross multiply
    10,787,243.20x = 16,180,864.80 × 9,863,454.40
  4. Step 4: Simplify right side
    10,787,243.20x = 159,599,222,107,365.12
  5. Step 5: Solve for x
    x = 159,599,222,107,365.12/10,787,243.20
  6. Step 6: Final answer
    x = 14,795,181.60

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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.