Home / 13,126,639.61-19,689,959.42-3,542,002.76

Finding the Fourth Proportional to 13,126,639.61, 19,689,959.42 and 3,542,002.76

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Solution

The fourth proportional to 13,126,639.61, 19,689,959.42 and 3,542,002.76 is: 5,313,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,639.61 : 19,689,959.42 = 3,542,002.76 : x
  2. Step 2: Convert to fraction form
    13,126,639.61/19,689,959.42 = 3,542,002.76/x
  3. Step 3: Cross multiply
    13,126,639.61x = 19,689,959.42 × 3,542,002.76
  4. Step 4: Simplify right side
    13,126,639.61x = 69,741,890,654,725.40
  5. Step 5: Solve for x
    x = 69,741,890,654,725.40/13,126,639.61
  6. Step 6: Final answer
    x = 5,313,004.14

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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.