Home / 7,239,044.18-10,856,155.07-2,919,978.92

Finding the Fourth Proportional to 7,239,044.18, 10,856,155.07 and 2,919,978.92

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Solution

The fourth proportional to 7,239,044.18, 10,856,155.07 and 2,919,978.92 is: 4,378,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,044.18 : 10,856,155.07 = 2,919,978.92 : x
  2. Step 2: Convert to fraction form
    7,239,044.18/10,856,155.07 = 2,919,978.92/x
  3. Step 3: Cross multiply
    7,239,044.18x = 10,856,155.07 × 2,919,978.92
  4. Step 4: Simplify right side
    7,239,044.18x = 31,699,743,991,091.46
  5. Step 5: Solve for x
    x = 31,699,743,991,091.46/7,239,044.18
  6. Step 6: Final answer
    x = 4,378,995.79

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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.