Home / 22,477,995.20-31,019,572.31-12,164,718.30

Finding the Fourth Proportional to 22,477,995.20, 31,019,572.31 and 12,164,718.30

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Solution

The fourth proportional to 22,477,995.20, 31,019,572.31 and 12,164,718.30 is: 16,787,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477,995.20 : 31,019,572.31 = 12,164,718.30 : x
  2. Step 2: Convert to fraction form
    22,477,995.20/31,019,572.31 = 12,164,718.30/x
  3. Step 3: Cross multiply
    22,477,995.20x = 31,019,572.31 × 12,164,718.30
  4. Step 4: Simplify right side
    22,477,995.20x = 377,344,358,876,806.69
  5. Step 5: Solve for x
    x = 377,344,358,876,806.69/22,477,995.20
  6. Step 6: Final answer
    x = 16,787,278.21

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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.