Home / 21,282,807.24-29,375,057.88-13,936,373.64

Finding the Fourth Proportional to 21,282,807.24, 29,375,057.88 and 13,936,373.64

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Solution

The fourth proportional to 21,282,807.24, 29,375,057.88 and 13,936,373.64 is: 19,235,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,807.24 : 29,375,057.88 = 13,936,373.64 : x
  2. Step 2: Convert to fraction form
    21,282,807.24/29,375,057.88 = 13,936,373.64/x
  3. Step 3: Cross multiply
    21,282,807.24x = 29,375,057.88 × 13,936,373.64
  4. Step 4: Simplify right side
    21,282,807.24x = 409,381,782,312,306.31
  5. Step 5: Solve for x
    x = 409,381,782,312,306.31/21,282,807.24
  6. Step 6: Final answer
    x = 19,235,328.20

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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.