Home / 22,880,120.64-31,566,882.24-12,955,650.72

Finding the Fourth Proportional to 22,880,120.64, 31,566,882.24 and 12,955,650.72

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Solution

The fourth proportional to 22,880,120.64, 31,566,882.24 and 12,955,650.72 is: 17,874,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,880,120.64 : 31,566,882.24 = 12,955,650.72 : x
  2. Step 2: Convert to fraction form
    22,880,120.64/31,566,882.24 = 12,955,650.72/x
  3. Step 3: Cross multiply
    22,880,120.64x = 31,566,882.24 × 12,955,650.72
  4. Step 4: Simplify right side
    22,880,120.64x = 408,969,500,620,811.19
  5. Step 5: Solve for x
    x = 408,969,500,620,811.19/22,880,120.64
  6. Step 6: Final answer
    x = 17,874,446.86

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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.