Home / 12,887,251.28-19,366,307.69-12,044,622.05

Finding the Fourth Proportional to 12,887,251.28, 19,366,307.69 and 12,044,622.05

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Solution

The fourth proportional to 12,887,251.28, 19,366,307.69 and 12,044,622.05 is: 18,100,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,251.28 : 19,366,307.69 = 12,044,622.05 : x
  2. Step 2: Convert to fraction form
    12,887,251.28/19,366,307.69 = 12,044,622.05/x
  3. Step 3: Cross multiply
    12,887,251.28x = 19,366,307.69 × 12,044,622.05
  4. Step 4: Simplify right side
    12,887,251.28x = 233,259,856,545,627.56
  5. Step 5: Solve for x
    x = 233,259,856,545,627.56/12,887,251.28
  6. Step 6: Final answer
    x = 18,100,047.21

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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.