Home / 13,853,215.30-20,737,832.55-10,465,989.70

Finding the Fourth Proportional to 13,853,215.30, 20,737,832.55 and 10,465,989.70

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Solution

The fourth proportional to 13,853,215.30, 20,737,832.55 and 10,465,989.70 is: 15,667,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,215.30 : 20,737,832.55 = 10,465,989.70 : x
  2. Step 2: Convert to fraction form
    13,853,215.30/20,737,832.55 = 10,465,989.70/x
  3. Step 3: Cross multiply
    13,853,215.30x = 20,737,832.55 × 10,465,989.70
  4. Step 4: Simplify right side
    13,853,215.30x = 217,041,941,868,624.72
  5. Step 5: Solve for x
    x = 217,041,941,868,624.72/13,853,215.30
  6. Step 6: Final answer
    x = 15,667,261.15

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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.