Home / 41,286,420.28-61,894,988.34-18,253,636.12

Finding the Fourth Proportional to 41,286,420.28, 61,894,988.34 and 18,253,636.12

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Solution

The fourth proportional to 41,286,420.28, 61,894,988.34 and 18,253,636.12 is: 27,365,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,286,420.28 : 61,894,988.34 = 18,253,636.12 : x
  2. Step 2: Convert to fraction form
    41,286,420.28/61,894,988.34 = 18,253,636.12/x
  3. Step 3: Cross multiply
    41,286,420.28x = 61,894,988.34 × 18,253,636.12
  4. Step 4: Simplify right side
    41,286,420.28x = 1,129,808,594,810,003
  5. Step 5: Solve for x
    x = 1,129,808,594,810,003/41,286,420.28
  6. Step 6: Final answer
    x = 27,365,138.15

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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.