Home / 21,142,847.71-29,177,931.88-11,850,589.52

Finding the Fourth Proportional to 21,142,847.71, 29,177,931.88 and 11,850,589.52

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Solution

The fourth proportional to 21,142,847.71, 29,177,931.88 and 11,850,589.52 is: 16,354,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,142,847.71 : 29,177,931.88 = 11,850,589.52 : x
  2. Step 2: Convert to fraction form
    21,142,847.71/29,177,931.88 = 11,850,589.52/x
  3. Step 3: Cross multiply
    21,142,847.71x = 29,177,931.88 × 11,850,589.52
  4. Step 4: Simplify right side
    21,142,847.71x = 345,775,693,894,868.56
  5. Step 5: Solve for x
    x = 345,775,693,894,868.56/21,142,847.71
  6. Step 6: Final answer
    x = 16,354,263.09

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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.