Home / 10,090,421.60-15,135,632.40-7,061,207.90

Finding the Fourth Proportional to 10,090,421.60, 15,135,632.40 and 7,061,207.90

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Solution

The fourth proportional to 10,090,421.60, 15,135,632.40 and 7,061,207.90 is: 10,591,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090,421.60 : 15,135,632.40 = 7,061,207.90 : x
  2. Step 2: Convert to fraction form
    10,090,421.60/15,135,632.40 = 7,061,207.90/x
  3. Step 3: Cross multiply
    10,090,421.60x = 15,135,632.40 × 7,061,207.90
  4. Step 4: Simplify right side
    10,090,421.60x = 106,875,847,074,375.97
  5. Step 5: Solve for x
    x = 106,875,847,074,375.97/10,090,421.60
  6. Step 6: Final answer
    x = 10,591,811.85

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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.