Home / 14,758,983.55-20,366,413.15-8,479,712.89

Finding the Fourth Proportional to 14,758,983.55, 20,366,413.15 and 8,479,712.89

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Solution

The fourth proportional to 14,758,983.55, 20,366,413.15 and 8,479,712.89 is: 11,701,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758,983.55 : 20,366,413.15 = 8,479,712.89 : x
  2. Step 2: Convert to fraction form
    14,758,983.55/20,366,413.15 = 8,479,712.89/x
  3. Step 3: Cross multiply
    14,758,983.55x = 20,366,413.15 × 8,479,712.89
  4. Step 4: Simplify right side
    14,758,983.55x = 172,701,336,131,278.69
  5. Step 5: Solve for x
    x = 172,701,336,131,278.69/14,758,983.55
  6. Step 6: Final answer
    x = 11,701,438.35

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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.