Home / 15,375,474.95-21,218,598.31-8,500,399.88

Finding the Fourth Proportional to 15,375,474.95, 21,218,598.31 and 8,500,399.88

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Solution

The fourth proportional to 15,375,474.95, 21,218,598.31 and 8,500,399.88 is: 11,730,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375,474.95 : 21,218,598.31 = 8,500,399.88 : x
  2. Step 2: Convert to fraction form
    15,375,474.95/21,218,598.31 = 8,500,399.88/x
  3. Step 3: Cross multiply
    15,375,474.95x = 21,218,598.31 × 8,500,399.88
  4. Step 4: Simplify right side
    15,375,474.95x = 180,366,570,559,887.72
  5. Step 5: Solve for x
    x = 180,366,570,559,887.72/15,375,474.95
  6. Step 6: Final answer
    x = 11,730,796.68

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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.