Home / 12,345,214.60-18,529,773.90-5,959,947.40

Finding the Fourth Proportional to 12,345,214.60, 18,529,773.90 and 5,959,947.40

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Solution

The fourth proportional to 12,345,214.60, 18,529,773.90 and 5,959,947.40 is: 8,945,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,214.60 : 18,529,773.90 = 5,959,947.40 : x
  2. Step 2: Convert to fraction form
    12,345,214.60/18,529,773.90 = 5,959,947.40/x
  3. Step 3: Cross multiply
    12,345,214.60x = 18,529,773.90 × 5,959,947.40
  4. Step 4: Simplify right side
    12,345,214.60x = 110,436,477,777,892.86
  5. Step 5: Solve for x
    x = 110,436,477,777,892.86/12,345,214.60
  6. Step 6: Final answer
    x = 8,945,691.21

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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.