Home / 51,686,851.20-71,328,333.12-28,482,808.56

Finding the Fourth Proportional to 51,686,851.20, 71,328,333.12 and 28,482,808.56

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Solution

The fourth proportional to 51,686,851.20, 71,328,333.12 and 28,482,808.56 is: 39,306,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,851.20 : 71,328,333.12 = 28,482,808.56 : x
  2. Step 2: Convert to fraction form
    51,686,851.20/71,328,333.12 = 28,482,808.56/x
  3. Step 3: Cross multiply
    51,686,851.20x = 71,328,333.12 × 28,482,808.56
  4. Step 4: Simplify right side
    51,686,851.20x = 2,031,631,257,160,867.50
  5. Step 5: Solve for x
    x = 2,031,631,257,160,867.50/51,686,851.20
  6. Step 6: Final answer
    x = 39,306,539.48

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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.