Home / 29,690,948.80-40,974,517.92-28,330,459.84

Finding the Fourth Proportional to 29,690,948.80, 40,974,517.92 and 28,330,459.84

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Solution

The fourth proportional to 29,690,948.80, 40,974,517.92 and 28,330,459.84 is: 39,096,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690,948.80 : 40,974,517.92 = 28,330,459.84 : x
  2. Step 2: Convert to fraction form
    29,690,948.80/40,974,517.92 = 28,330,459.84/x
  3. Step 3: Cross multiply
    29,690,948.80x = 40,974,517.92 × 28,330,459.84
  4. Step 4: Simplify right side
    29,690,948.80x = 1,160,826,934,395,920.50
  5. Step 5: Solve for x
    x = 1,160,826,934,395,920.50/29,690,948.80
  6. Step 6: Final answer
    x = 39,096,996.94

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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.