Home / 20,368,306.54-28,107,407.41-11,548,351.17

Finding the Fourth Proportional to 20,368,306.54, 28,107,407.41 and 11,548,351.17

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Solution

The fourth proportional to 20,368,306.54, 28,107,407.41 and 11,548,351.17 is: 15,936,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,306.54 : 28,107,407.41 = 11,548,351.17 : x
  2. Step 2: Convert to fraction form
    20,368,306.54/28,107,407.41 = 11,548,351.17/x
  3. Step 3: Cross multiply
    20,368,306.54x = 28,107,407.41 × 11,548,351.17
  4. Step 4: Simplify right side
    20,368,306.54x = 324,594,211,248,940.19
  5. Step 5: Solve for x
    x = 324,594,211,248,940.19/20,368,306.54
  6. Step 6: Final answer
    x = 15,936,239.50

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1.5x scale

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.