Home / 18,763,947.42-28,164,076.95-9,055,394.82

Finding the Fourth Proportional to 18,763,947.42, 28,164,076.95 and 9,055,394.82

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Solution

The fourth proportional to 18,763,947.42, 28,164,076.95 and 9,055,394.82 is: 13,591,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763,947.42 : 28,164,076.95 = 9,055,394.82 : x
  2. Step 2: Convert to fraction form
    18,763,947.42/28,164,076.95 = 9,055,394.82/x
  3. Step 3: Cross multiply
    18,763,947.42x = 28,164,076.95 × 9,055,394.82
  4. Step 4: Simplify right side
    18,763,947.42x = 255,036,836,523,111.41
  5. Step 5: Solve for x
    x = 255,036,836,523,111.41/18,763,947.42
  6. Step 6: Final answer
    x = 13,591,854.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.