Home / 51,979,408.92-71,732,151.18-28,774,923.39

Finding the Fourth Proportional to 51,979,408.92, 71,732,151.18 and 28,774,923.39

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Solution

The fourth proportional to 51,979,408.92, 71,732,151.18 and 28,774,923.39 is: 39,709,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,408.92 : 71,732,151.18 = 28,774,923.39 : x
  2. Step 2: Convert to fraction form
    51,979,408.92/71,732,151.18 = 28,774,923.39/x
  3. Step 3: Cross multiply
    51,979,408.92x = 71,732,151.18 × 28,774,923.39
  4. Step 4: Simplify right side
    51,979,408.92x = 2,064,087,154,804,398.25
  5. Step 5: Solve for x
    x = 2,064,087,154,804,398.25/51,979,408.92
  6. Step 6: Final answer
    x = 39,709,708.09

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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.