Home / 12,018,439.92-18,015,062.68-4,440,572.40

Finding the Fourth Proportional to 12,018,439.92, 18,015,062.68 and 4,440,572.40

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Solution

The fourth proportional to 12,018,439.92, 18,015,062.68 and 4,440,572.40 is: 6,656,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,439.92 : 18,015,062.68 = 4,440,572.40 : x
  2. Step 2: Convert to fraction form
    12,018,439.92/18,015,062.68 = 4,440,572.40/x
  3. Step 3: Cross multiply
    12,018,439.92x = 18,015,062.68 × 4,440,572.40
  4. Step 4: Simplify right side
    12,018,439.92x = 79,997,190,121,078.03
  5. Step 5: Solve for x
    x = 79,997,190,121,078.03/12,018,439.92
  6. Step 6: Final answer
    x = 6,656,204.19

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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.