Home / 15,938,909.52-21,995,043.31-9,414,651.12

Finding the Fourth Proportional to 15,938,909.52, 21,995,043.31 and 9,414,651.12

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Solution

The fourth proportional to 15,938,909.52, 21,995,043.31 and 9,414,651.12 is: 12,991,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938,909.52 : 21,995,043.31 = 9,414,651.12 : x
  2. Step 2: Convert to fraction form
    15,938,909.52/21,995,043.31 = 9,414,651.12/x
  3. Step 3: Cross multiply
    15,938,909.52x = 21,995,043.31 × 9,414,651.12
  4. Step 4: Simplify right side
    15,938,909.52x = 207,075,659,132,939.97
  5. Step 5: Solve for x
    x = 207,075,659,132,939.97/15,938,909.52
  6. Step 6: Final answer
    x = 12,991,833.53

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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.