Home / 13,359,000.12-18,435,426.84-7,247,427

Finding the Fourth Proportional to 13,359,000.12, 18,435,426.84 and 7,247,427

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Solution

The fourth proportional to 13,359,000.12, 18,435,426.84 and 7,247,427 is: 10,001,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,000.12 : 18,435,426.84 = 7,247,427 : x
  2. Step 2: Convert to fraction form
    13,359,000.12/18,435,426.84 = 7,247,427/x
  3. Step 3: Cross multiply
    13,359,000.12x = 18,435,426.84 × 7,247,427
  4. Step 4: Simplify right side
    13,359,000.12x = 133,609,410,236,740.67
  5. Step 5: Solve for x
    x = 133,609,410,236,740.67/13,359,000.12
  6. Step 6: Final answer
    x = 10,001,452.88

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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.