Home / 22,422,397.38-30,942,907.20-12,109,119.45

Finding the Fourth Proportional to 22,422,397.38, 30,942,907.20 and 12,109,119.45

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Solution

The fourth proportional to 22,422,397.38, 30,942,907.20 and 12,109,119.45 is: 16,710,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422,397.38 : 30,942,907.20 = 12,109,119.45 : x
  2. Step 2: Convert to fraction form
    22,422,397.38/30,942,907.20 = 12,109,119.45/x
  3. Step 3: Cross multiply
    22,422,397.38x = 30,942,907.20 × 12,109,119.45
  4. Step 4: Simplify right side
    22,422,397.38x = 374,691,359,415,065
  5. Step 5: Solve for x
    x = 374,691,359,415,065/22,422,397.38
  6. Step 6: Final answer
    x = 16,710,584.20

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Double scale
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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.