Home / 15,190,073.16-20,962,326.38-8,220,756.89

Finding the Fourth Proportional to 15,190,073.16, 20,962,326.38 and 8,220,756.89

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Solution

The fourth proportional to 15,190,073.16, 20,962,326.38 and 8,220,756.89 is: 11,344,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190,073.16 : 20,962,326.38 = 8,220,756.89 : x
  2. Step 2: Convert to fraction form
    15,190,073.16/20,962,326.38 = 8,220,756.89/x
  3. Step 3: Cross multiply
    15,190,073.16x = 20,962,326.38 × 8,220,756.89
  4. Step 4: Simplify right side
    15,190,073.16x = 172,326,188,872,898.34
  5. Step 5: Solve for x
    x = 172,326,188,872,898.34/15,190,073.16
  6. Step 6: Final answer
    x = 11,344,658.26

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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.