Home / 12,321,732.20-18,482,252.70-5,590,135.40

Finding the Fourth Proportional to 12,321,732.20, 18,482,252.70 and 5,590,135.40

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Solution

The fourth proportional to 12,321,732.20, 18,482,252.70 and 5,590,135.40 is: 8,385,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,732.20 : 18,482,252.70 = 5,590,135.40 : x
  2. Step 2: Convert to fraction form
    12,321,732.20/18,482,252.70 = 5,590,135.40/x
  3. Step 3: Cross multiply
    12,321,732.20x = 18,482,252.70 × 5,590,135.40
  4. Step 4: Simplify right side
    12,321,732.20x = 103,318,295,090,015.58
  5. Step 5: Solve for x
    x = 103,318,295,090,015.58/12,321,732.20
  6. Step 6: Final answer
    x = 8,385,046.31

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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.