Home / 20,777,251.30-28,675,454.93-11,956,521.40

Finding the Fourth Proportional to 20,777,251.30, 28,675,454.93 and 11,956,521.40

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Solution

The fourth proportional to 20,777,251.30, 28,675,454.93 and 11,956,521.40 is: 16,501,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,251.30 : 28,675,454.93 = 11,956,521.40 : x
  2. Step 2: Convert to fraction form
    20,777,251.30/28,675,454.93 = 11,956,521.40/x
  3. Step 3: Cross multiply
    20,777,251.30x = 28,675,454.93 × 11,956,521.40
  4. Step 4: Simplify right side
    20,777,251.30x = 342,858,690,525,280.50
  5. Step 5: Solve for x
    x = 342,858,690,525,280.50/20,777,251.30
  6. Step 6: Final answer
    x = 16,501,638.53

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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.