Home / 22,478,029.68-31,019,680.59-12,164,752.77

Finding the Fourth Proportional to 22,478,029.68, 31,019,680.59 and 12,164,752.77

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Solution

The fourth proportional to 22,478,029.68, 31,019,680.59 and 12,164,752.77 is: 16,787,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,029.68 : 31,019,680.59 = 12,164,752.77 : x
  2. Step 2: Convert to fraction form
    22,478,029.68/31,019,680.59 = 12,164,752.77/x
  3. Step 3: Cross multiply
    22,478,029.68x = 31,019,680.59 × 12,164,752.77
  4. Step 4: Simplify right side
    22,478,029.68x = 377,346,745,320,893.94
  5. Step 5: Solve for x
    x = 377,346,745,320,893.94/22,478,029.68
  6. Step 6: Final answer
    x = 16,787,358.62

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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.