Home / 7,812,189.18-11,725,847.13-3,771,512.25

Finding the Fourth Proportional to 7,812,189.18, 11,725,847.13 and 3,771,512.25

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Solution

The fourth proportional to 7,812,189.18, 11,725,847.13 and 3,771,512.25 is: 5,660,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,189.18 : 11,725,847.13 = 3,771,512.25 : x
  2. Step 2: Convert to fraction form
    7,812,189.18/11,725,847.13 = 3,771,512.25/x
  3. Step 3: Cross multiply
    7,812,189.18x = 11,725,847.13 × 3,771,512.25
  4. Step 4: Simplify right side
    7,812,189.18x = 44,224,176,092,422.34
  5. Step 5: Solve for x
    x = 44,224,176,092,422.34/7,812,189.18
  6. Step 6: Final answer
    x = 5,660,919.76

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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.