Home / 8,428,227.45-12,642,373.95-2,038,469.55

Finding the Fourth Proportional to 8,428,227.45, 12,642,373.95 and 2,038,469.55

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Solution

The fourth proportional to 8,428,227.45, 12,642,373.95 and 2,038,469.55 is: 3,057,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,227.45 : 12,642,373.95 = 2,038,469.55 : x
  2. Step 2: Convert to fraction form
    8,428,227.45/12,642,373.95 = 2,038,469.55/x
  3. Step 3: Cross multiply
    8,428,227.45x = 12,642,373.95 × 2,038,469.55
  4. Step 4: Simplify right side
    8,428,227.45x = 25,771,094,336,788.22
  5. Step 5: Solve for x
    x = 25,771,094,336,788.22/8,428,227.45
  6. Step 6: Final answer
    x = 3,057,712.25

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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.