Home / 15,170,167.03-20,940,523.40-9,943,511.93

Finding the Fourth Proportional to 15,170,167.03, 20,940,523.40 and 9,943,511.93

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Solution

The fourth proportional to 15,170,167.03, 20,940,523.40 and 9,943,511.93 is: 13,725,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,167.03 : 20,940,523.40 = 9,943,511.93 : x
  2. Step 2: Convert to fraction form
    15,170,167.03/20,940,523.40 = 9,943,511.93/x
  3. Step 3: Cross multiply
    15,170,167.03x = 20,940,523.40 × 9,943,511.93
  4. Step 4: Simplify right side
    15,170,167.03x = 208,222,344,248,344.16
  5. Step 5: Solve for x
    x = 208,222,344,248,344.16/15,170,167.03
  6. Step 6: Final answer
    x = 13,725,777.96

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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.