Home / 22,478,029.83-31,019,680.80-12,164,752.94

Finding the Fourth Proportional to 22,478,029.83, 31,019,680.80 and 12,164,752.94

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Solution

The fourth proportional to 22,478,029.83, 31,019,680.80 and 12,164,752.94 is: 16,787,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,029.83 : 31,019,680.80 = 12,164,752.94 : x
  2. Step 2: Convert to fraction form
    22,478,029.83/31,019,680.80 = 12,164,752.94/x
  3. Step 3: Cross multiply
    22,478,029.83x = 31,019,680.80 × 12,164,752.94
  4. Step 4: Simplify right side
    22,478,029.83x = 377,346,753,054,563.19
  5. Step 5: Solve for x
    x = 377,346,753,054,563.19/22,478,029.83
  6. Step 6: Final answer
    x = 16,787,358.85

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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.