Home / 22,278,642.66-30,746,367.40-12,358,723.64

Finding the Fourth Proportional to 22,278,642.66, 30,746,367.40 and 12,358,723.64

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Solution

The fourth proportional to 22,278,642.66, 30,746,367.40 and 12,358,723.64 is: 17,056,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278,642.66 : 30,746,367.40 = 12,358,723.64 : x
  2. Step 2: Convert to fraction form
    22,278,642.66/30,746,367.40 = 12,358,723.64/x
  3. Step 3: Cross multiply
    22,278,642.66x = 30,746,367.40 × 12,358,723.64
  4. Step 4: Simplify right side
    22,278,642.66x = 379,985,857,630,505.31
  5. Step 5: Solve for x
    x = 379,985,857,630,505.31/22,278,642.66
  6. Step 6: Final answer
    x = 17,056,059.63

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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.