Home / 28,265,331.60-42,397,997.40-10,090,049.40

Finding the Fourth Proportional to 28,265,331.60, 42,397,997.40 and 10,090,049.40

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Solution

The fourth proportional to 28,265,331.60, 42,397,997.40 and 10,090,049.40 is: 15,135,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,331.60 : 42,397,997.40 = 10,090,049.40 : x
  2. Step 2: Convert to fraction form
    28,265,331.60/42,397,997.40 = 10,090,049.40/x
  3. Step 3: Cross multiply
    28,265,331.60x = 42,397,997.40 × 10,090,049.40
  4. Step 4: Simplify right side
    28,265,331.60x = 427,797,888,227,071.56
  5. Step 5: Solve for x
    x = 427,797,888,227,071.56/28,265,331.60
  6. Step 6: Final answer
    x = 15,135,074.10

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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.