Home / 10,900,921.40-16,351,382.10-8,775,157.40

Finding the Fourth Proportional to 10,900,921.40, 16,351,382.10 and 8,775,157.40

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Solution

The fourth proportional to 10,900,921.40, 16,351,382.10 and 8,775,157.40 is: 13,162,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,921.40 : 16,351,382.10 = 8,775,157.40 : x
  2. Step 2: Convert to fraction form
    10,900,921.40/16,351,382.10 = 8,775,157.40/x
  3. Step 3: Cross multiply
    10,900,921.40x = 16,351,382.10 × 8,775,157.40
  4. Step 4: Simplify right side
    10,900,921.40x = 143,485,951,635,042.53
  5. Step 5: Solve for x
    x = 143,485,951,635,042.53/10,900,921.40
  6. Step 6: Final answer
    x = 13,162,736.10

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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.