Home / 15,990,404.22-22,066,757.66-8,648,237.15

Finding the Fourth Proportional to 15,990,404.22, 22,066,757.66 and 8,648,237.15

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Solution

The fourth proportional to 15,990,404.22, 22,066,757.66 and 8,648,237.15 is: 11,934,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,404.22 : 22,066,757.66 = 8,648,237.15 : x
  2. Step 2: Convert to fraction form
    15,990,404.22/22,066,757.66 = 8,648,237.15/x
  3. Step 3: Cross multiply
    15,990,404.22x = 22,066,757.66 × 8,648,237.15
  4. Step 4: Simplify right side
    15,990,404.22x = 190,838,553,286,545.88
  5. Step 5: Solve for x
    x = 190,838,553,286,545.88/15,990,404.22
  6. Step 6: Final answer
    x = 11,934,567.17

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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.