Home / 51,780,718.98-71,457,245.42-28,575,679.95

Finding the Fourth Proportional to 51,780,718.98, 71,457,245.42 and 28,575,679.95

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Solution

The fourth proportional to 51,780,718.98, 71,457,245.42 and 28,575,679.95 is: 39,434,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780,718.98 : 71,457,245.42 = 28,575,679.95 : x
  2. Step 2: Convert to fraction form
    51,780,718.98/71,457,245.42 = 28,575,679.95/x
  3. Step 3: Cross multiply
    51,780,718.98x = 71,457,245.42 × 28,575,679.95
  4. Step 4: Simplify right side
    51,780,718.98x = 2,041,939,375,087,645
  5. Step 5: Solve for x
    x = 2,041,939,375,087,645/51,780,718.98
  6. Step 6: Final answer
    x = 39,434,357.33

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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.