Home / 31,137,247.80-46,705,761.54-8,418,141

Finding the Fourth Proportional to 31,137,247.80, 46,705,761.54 and 8,418,141

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Solution

The fourth proportional to 31,137,247.80, 46,705,761.54 and 8,418,141 is: 12,627,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137,247.80 : 46,705,761.54 = 8,418,141 : x
  2. Step 2: Convert to fraction form
    31,137,247.80/46,705,761.54 = 8,418,141/x
  3. Step 3: Cross multiply
    31,137,247.80x = 46,705,761.54 × 8,418,141
  4. Step 4: Simplify right side
    31,137,247.80x = 393,175,686,156,097.12
  5. Step 5: Solve for x
    x = 393,175,686,156,097.12/31,137,247.80
  6. Step 6: Final answer
    x = 12,627,181.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.