Home / 13,056,082.28-18,017,154.50-7,254,758.44

Finding the Fourth Proportional to 13,056,082.28, 18,017,154.50 and 7,254,758.44

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Solution

The fourth proportional to 13,056,082.28, 18,017,154.50 and 7,254,758.44 is: 10,011,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056,082.28 : 18,017,154.50 = 7,254,758.44 : x
  2. Step 2: Convert to fraction form
    13,056,082.28/18,017,154.50 = 7,254,758.44/x
  3. Step 3: Cross multiply
    13,056,082.28x = 18,017,154.50 × 7,254,758.44
  4. Step 4: Simplify right side
    13,056,082.28x = 130,710,103,673,658.98
  5. Step 5: Solve for x
    x = 130,710,103,673,658.98/13,056,082.28
  6. Step 6: Final answer
    x = 10,011,433.82

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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.