Home / 7,138,446.24-9,850,016.40-4,082,070

Finding the Fourth Proportional to 7,138,446.24, 9,850,016.40 and 4,082,070

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Solution

The fourth proportional to 7,138,446.24, 9,850,016.40 and 4,082,070 is: 5,632,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,446.24 : 9,850,016.40 = 4,082,070 : x
  2. Step 2: Convert to fraction form
    7,138,446.24/9,850,016.40 = 4,082,070/x
  3. Step 3: Cross multiply
    7,138,446.24x = 9,850,016.40 × 4,082,070
  4. Step 4: Simplify right side
    7,138,446.24x = 40,208,456,445,948
  5. Step 5: Solve for x
    x = 40,208,456,445,948/7,138,446.24
  6. Step 6: Final answer
    x = 5,632,662.22

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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.