Home / 12,487,364.60-18,731,046.90-8,008,388.60

Finding the Fourth Proportional to 12,487,364.60, 18,731,046.90 and 8,008,388.60

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Solution

The fourth proportional to 12,487,364.60, 18,731,046.90 and 8,008,388.60 is: 12,012,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,364.60 : 18,731,046.90 = 8,008,388.60 : x
  2. Step 2: Convert to fraction form
    12,487,364.60/18,731,046.90 = 8,008,388.60/x
  3. Step 3: Cross multiply
    12,487,364.60x = 18,731,046.90 × 8,008,388.60
  4. Step 4: Simplify right side
    12,487,364.60x = 150,005,502,460,025.31
  5. Step 5: Solve for x
    x = 150,005,502,460,025.31/12,487,364.60
  6. Step 6: Final answer
    x = 12,012,582.90

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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.