Home / 8,949,221.68-12,349,527.56-5,228,397.58

Finding the Fourth Proportional to 8,949,221.68, 12,349,527.56 and 5,228,397.58

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Solution

The fourth proportional to 8,949,221.68, 12,349,527.56 and 5,228,397.58 is: 7,214,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949,221.68 : 12,349,527.56 = 5,228,397.58 : x
  2. Step 2: Convert to fraction form
    8,949,221.68/12,349,527.56 = 5,228,397.58/x
  3. Step 3: Cross multiply
    8,949,221.68x = 12,349,527.56 × 5,228,397.58
  4. Step 4: Simplify right side
    8,949,221.68x = 64,568,240,008,847.30
  5. Step 5: Solve for x
    x = 64,568,240,008,847.30/8,949,221.68
  6. Step 6: Final answer
    x = 7,214,955.93

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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.