Home / 31,490,787.60-43,358,388.91-26,771,897.70

Finding the Fourth Proportional to 31,490,787.60, 43,358,388.91 and 26,771,897.70

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Solution

The fourth proportional to 31,490,787.60, 43,358,388.91 and 26,771,897.70 is: 36,861,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490,787.60 : 43,358,388.91 = 26,771,897.70 : x
  2. Step 2: Convert to fraction form
    31,490,787.60/43,358,388.91 = 26,771,897.70/x
  3. Step 3: Cross multiply
    31,490,787.60x = 43,358,388.91 × 26,771,897.70
  4. Step 4: Simplify right side
    31,490,787.60x = 1,160,786,352,368,799.50
  5. Step 5: Solve for x
    x = 1,160,786,352,368,799.50/31,490,787.60
  6. Step 6: Final answer
    x = 36,861,140.70

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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.