Home / 51,686,800.76-71,328,263.36-28,482,758.08

Finding the Fourth Proportional to 51,686,800.76, 71,328,263.36 and 28,482,758.08

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Solution

The fourth proportional to 51,686,800.76, 71,328,263.36 and 28,482,758.08 is: 39,306,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,800.76 : 71,328,263.36 = 28,482,758.08 : x
  2. Step 2: Convert to fraction form
    51,686,800.76/71,328,263.36 = 28,482,758.08/x
  3. Step 3: Cross multiply
    51,686,800.76x = 71,328,263.36 × 28,482,758.08
  4. Step 4: Simplify right side
    51,686,800.76x = 2,031,625,669,549,407.75
  5. Step 5: Solve for x
    x = 2,031,625,669,549,407.75/51,686,800.76
  6. Step 6: Final answer
    x = 39,306,469.73

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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.