Home / 9,115,809.72-12,581,500.20-5,856,698.52

Finding the Fourth Proportional to 9,115,809.72, 12,581,500.20 and 5,856,698.52

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Solution

The fourth proportional to 9,115,809.72, 12,581,500.20 and 5,856,698.52 is: 8,083,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,809.72 : 12,581,500.20 = 5,856,698.52 : x
  2. Step 2: Convert to fraction form
    9,115,809.72/12,581,500.20 = 5,856,698.52/x
  3. Step 3: Cross multiply
    9,115,809.72x = 12,581,500.20 × 5,856,698.52
  4. Step 4: Simplify right side
    9,115,809.72x = 73,686,053,600,719.69
  5. Step 5: Solve for x
    x = 73,686,053,600,719.69/9,115,809.72
  6. Step 6: Final answer
    x = 8,083,325.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.