Home / 51,326,387.88-76,990,565.98-16,782,919.72

Finding the Fourth Proportional to 51,326,387.88, 76,990,565.98 and 16,782,919.72

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Solution

The fourth proportional to 51,326,387.88, 76,990,565.98 and 16,782,919.72 is: 25,174,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326,387.88 : 76,990,565.98 = 16,782,919.72 : x
  2. Step 2: Convert to fraction form
    51,326,387.88/76,990,565.98 = 16,782,919.72/x
  3. Step 3: Cross multiply
    51,326,387.88x = 76,990,565.98 × 16,782,919.72
  4. Step 4: Simplify right side
    51,326,387.88x = 1,292,126,488,039,703
  5. Step 5: Solve for x
    x = 1,292,126,488,039,703/51,326,387.88
  6. Step 6: Final answer
    x = 25,174,701.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.