Home / 13,516,759.24-18,653,217.31-7,321,805.95

Finding the Fourth Proportional to 13,516,759.24, 18,653,217.31 and 7,321,805.95

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Solution

The fourth proportional to 13,516,759.24, 18,653,217.31 and 7,321,805.95 is: 10,104,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,759.24 : 18,653,217.31 = 7,321,805.95 : x
  2. Step 2: Convert to fraction form
    13,516,759.24/18,653,217.31 = 7,321,805.95/x
  3. Step 3: Cross multiply
    13,516,759.24x = 18,653,217.31 × 7,321,805.95
  4. Step 4: Simplify right side
    13,516,759.24x = 136,575,237,487,000.98
  5. Step 5: Solve for x
    x = 136,575,237,487,000.98/13,516,759.24
  6. Step 6: Final answer
    x = 10,104,140.73

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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.