Home / 51,686,811.55-71,328,278.30-28,482,768.91

Finding the Fourth Proportional to 51,686,811.55, 71,328,278.30 and 28,482,768.91

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Solution

The fourth proportional to 51,686,811.55, 71,328,278.30 and 28,482,768.91 is: 39,306,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,811.55 : 71,328,278.30 = 28,482,768.91 : x
  2. Step 2: Convert to fraction form
    51,686,811.55/71,328,278.30 = 28,482,768.91/x
  3. Step 3: Cross multiply
    51,686,811.55x = 71,328,278.30 × 28,482,768.91
  4. Step 4: Simplify right side
    51,686,811.55x = 2,031,626,867,567,067.50
  5. Step 5: Solve for x
    x = 2,031,626,867,567,067.50/51,686,811.55
  6. Step 6: Final answer
    x = 39,306,484.70

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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.