Home / 51,652,631.66-71,283,855.51-28,447,752.78

Finding the Fourth Proportional to 51,652,631.66, 71,283,855.51 and 28,447,752.78

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Solution

The fourth proportional to 51,652,631.66, 71,283,855.51 and 28,447,752.78 is: 39,259,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,652,631.66 : 71,283,855.51 = 28,447,752.78 : x
  2. Step 2: Convert to fraction form
    51,652,631.66/71,283,855.51 = 28,447,752.78/x
  3. Step 3: Cross multiply
    51,652,631.66x = 71,283,855.51 × 28,447,752.78
  4. Step 4: Simplify right side
    51,652,631.66x = 2,027,865,498,753,721
  5. Step 5: Solve for x
    x = 2,027,865,498,753,721/51,652,631.66
  6. Step 6: Final answer
    x = 39,259,674.36

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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.