Home / 20,362,565.46-28,100,894.64-11,070,760.74

Finding the Fourth Proportional to 20,362,565.46, 28,100,894.64 and 11,070,760.74

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Solution

The fourth proportional to 20,362,565.46, 28,100,894.64 and 11,070,760.74 is: 15,277,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,565.46 : 28,100,894.64 = 11,070,760.74 : x
  2. Step 2: Convert to fraction form
    20,362,565.46/28,100,894.64 = 11,070,760.74/x
  3. Step 3: Cross multiply
    20,362,565.46x = 28,100,894.64 × 11,070,760.74
  4. Step 4: Simplify right side
    20,362,565.46x = 311,098,280,998,883.94
  5. Step 5: Solve for x
    x = 311,098,280,998,883.94/20,362,565.46
  6. Step 6: Final answer
    x = 15,277,951.18

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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.