Home / 10,102,242.72-13,940,920.08-5,518,446.24

Finding the Fourth Proportional to 10,102,242.72, 13,940,920.08 and 5,518,446.24

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Solution

The fourth proportional to 10,102,242.72, 13,940,920.08 and 5,518,446.24 is: 7,615,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102,242.72 : 13,940,920.08 = 5,518,446.24 : x
  2. Step 2: Convert to fraction form
    10,102,242.72/13,940,920.08 = 5,518,446.24/x
  3. Step 3: Cross multiply
    10,102,242.72x = 13,940,920.08 × 5,518,446.24
  4. Step 4: Simplify right side
    10,102,242.72x = 76,932,217,997,616.50
  5. Step 5: Solve for x
    x = 76,932,217,997,616.50/10,102,242.72
  6. Step 6: Final answer
    x = 7,615,360.28

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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.