Home / 49,212,648.60-67,915,518.36-28,304,687.28

Finding the Fourth Proportional to 49,212,648.60, 67,915,518.36 and 28,304,687.28

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Solution

The fourth proportional to 49,212,648.60, 67,915,518.36 and 28,304,687.28 is: 39,061,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212,648.60 : 67,915,518.36 = 28,304,687.28 : x
  2. Step 2: Convert to fraction form
    49,212,648.60/67,915,518.36 = 28,304,687.28/x
  3. Step 3: Cross multiply
    49,212,648.60x = 67,915,518.36 × 28,304,687.28
  4. Step 4: Simplify right side
    49,212,648.60x = 1,922,327,508,638,898.50
  5. Step 5: Solve for x
    x = 1,922,327,508,638,898.50/49,212,648.60
  6. Step 6: Final answer
    x = 39,061,655.15

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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.