Home / 11,520,320.40-17,280,480.60-3,944,768.40

Finding the Fourth Proportional to 11,520,320.40, 17,280,480.60 and 3,944,768.40

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Solution

The fourth proportional to 11,520,320.40, 17,280,480.60 and 3,944,768.40 is: 5,917,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,320.40 : 17,280,480.60 = 3,944,768.40 : x
  2. Step 2: Convert to fraction form
    11,520,320.40/17,280,480.60 = 3,944,768.40/x
  3. Step 3: Cross multiply
    11,520,320.40x = 17,280,480.60 × 3,944,768.40
  4. Step 4: Simplify right side
    11,520,320.40x = 68,167,493,807,693.05
  5. Step 5: Solve for x
    x = 68,167,493,807,693.05/11,520,320.40
  6. Step 6: Final answer
    x = 5,917,152.60

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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.