Home / 52,406,648.88-72,320,206.75-28,564,481.53

Finding the Fourth Proportional to 52,406,648.88, 72,320,206.75 and 28,564,481.53

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Solution

The fourth proportional to 52,406,648.88, 72,320,206.75 and 28,564,481.53 is: 39,418,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,406,648.88 : 72,320,206.75 = 28,564,481.53 : x
  2. Step 2: Convert to fraction form
    52,406,648.88/72,320,206.75 = 28,564,481.53/x
  3. Step 3: Cross multiply
    52,406,648.88x = 72,320,206.75 × 28,564,481.53
  4. Step 4: Simplify right side
    52,406,648.88x = 2,065,789,209,956,156.50
  5. Step 5: Solve for x
    x = 2,065,789,209,956,156.50/52,406,648.88
  6. Step 6: Final answer
    x = 39,418,456.51

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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.