Home / 7,709,639.12-11,556,320.76-2,587,212.20

Finding the Fourth Proportional to 7,709,639.12, 11,556,320.76 and 2,587,212.20

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Solution

The fourth proportional to 7,709,639.12, 11,556,320.76 and 2,587,212.20 is: 3,878,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,639.12 : 11,556,320.76 = 2,587,212.20 : x
  2. Step 2: Convert to fraction form
    7,709,639.12/11,556,320.76 = 2,587,212.20/x
  3. Step 3: Cross multiply
    7,709,639.12x = 11,556,320.76 × 2,587,212.20
  4. Step 4: Simplify right side
    7,709,639.12x = 29,898,654,057,385.27
  5. Step 5: Solve for x
    x = 29,898,654,057,385.27/7,709,639.12
  6. Step 6: Final answer
    x = 3,878,087.36

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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.