Home / 13,500,479.73-18,630,520.25-7,305,391.22

Finding the Fourth Proportional to 13,500,479.73, 18,630,520.25 and 7,305,391.22

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Solution

The fourth proportional to 13,500,479.73, 18,630,520.25 and 7,305,391.22 is: 10,081,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,479.73 : 18,630,520.25 = 7,305,391.22 : x
  2. Step 2: Convert to fraction form
    13,500,479.73/18,630,520.25 = 7,305,391.22/x
  3. Step 3: Cross multiply
    13,500,479.73x = 18,630,520.25 × 7,305,391.22
  4. Step 4: Simplify right side
    13,500,479.73x = 136,103,239,068,431.56
  5. Step 5: Solve for x
    x = 136,103,239,068,431.56/13,500,479.73
  6. Step 6: Final answer
    x = 10,081,363.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.