Home / 13,516,759.17-18,653,217.23-7,321,805.89

Finding the Fourth Proportional to 13,516,759.17, 18,653,217.23 and 7,321,805.89

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Solution

The fourth proportional to 13,516,759.17, 18,653,217.23 and 7,321,805.89 is: 10,104,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,759.17 : 18,653,217.23 = 7,321,805.89 : x
  2. Step 2: Convert to fraction form
    13,516,759.17/18,653,217.23 = 7,321,805.89/x
  3. Step 3: Cross multiply
    13,516,759.17x = 18,653,217.23 × 7,321,805.89
  4. Step 4: Simplify right side
    13,516,759.17x = 136,575,235,782,063.48
  5. Step 5: Solve for x
    x = 136,575,235,782,063.48/13,516,759.17
  6. Step 6: Final answer
    x = 10,104,140.65

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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.