Home / 28,090,132.32-38,748,861.90-22,868,757.30

Finding the Fourth Proportional to 28,090,132.32, 38,748,861.90 and 22,868,757.30

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Solution

The fourth proportional to 28,090,132.32, 38,748,861.90 and 22,868,757.30 is: 31,546,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,132.32 : 38,748,861.90 = 22,868,757.30 : x
  2. Step 2: Convert to fraction form
    28,090,132.32/38,748,861.90 = 22,868,757.30/x
  3. Step 3: Cross multiply
    28,090,132.32x = 38,748,861.90 × 22,868,757.30
  4. Step 4: Simplify right side
    28,090,132.32x = 886,138,318,442,316.88
  5. Step 5: Solve for x
    x = 886,138,318,442,316.88/28,090,132.32
  6. Step 6: Final answer
    x = 31,546,249.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.