Home / 7,004,042.72-10,506,385.92-2,146,001.12

Finding the Fourth Proportional to 7,004,042.72, 10,506,385.92 and 2,146,001.12

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Solution

The fourth proportional to 7,004,042.72, 10,506,385.92 and 2,146,001.12 is: 3,219,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004,042.72 : 10,506,385.92 = 2,146,001.12 : x
  2. Step 2: Convert to fraction form
    7,004,042.72/10,506,385.92 = 2,146,001.12/x
  3. Step 3: Cross multiply
    7,004,042.72x = 10,506,385.92 × 2,146,001.12
  4. Step 4: Simplify right side
    7,004,042.72x = 22,546,715,951,472.23
  5. Step 5: Solve for x
    x = 22,546,715,951,472.23/7,004,042.72
  6. Step 6: Final answer
    x = 3,219,100.29

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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.