Home / 7,721,856.07-11,585,996.56-3,401,695.15

Finding the Fourth Proportional to 7,721,856.07, 11,585,996.56 and 3,401,695.15

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Solution

The fourth proportional to 7,721,856.07, 11,585,996.56 and 3,401,695.15 is: 5,103,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,856.07 : 11,585,996.56 = 3,401,695.15 : x
  2. Step 2: Convert to fraction form
    7,721,856.07/11,585,996.56 = 3,401,695.15/x
  3. Step 3: Cross multiply
    7,721,856.07x = 11,585,996.56 × 3,401,695.15
  4. Step 4: Simplify right side
    7,721,856.07x = 39,412,028,306,068.69
  5. Step 5: Solve for x
    x = 39,412,028,306,068.69/7,721,856.07
  6. Step 6: Final answer
    x = 5,103,957.90

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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.