Home / 8,428,639.52-11,631,522.30-4,561,160.64

Finding the Fourth Proportional to 8,428,639.52, 11,631,522.30 and 4,561,160.64

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Solution

The fourth proportional to 8,428,639.52, 11,631,522.30 and 4,561,160.64 is: 6,294,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,639.52 : 11,631,522.30 = 4,561,160.64 : x
  2. Step 2: Convert to fraction form
    8,428,639.52/11,631,522.30 = 4,561,160.64/x
  3. Step 3: Cross multiply
    8,428,639.52x = 11,631,522.30 × 4,561,160.64
  4. Step 4: Simplify right side
    8,428,639.52x = 53,053,241,698,042.27
  5. Step 5: Solve for x
    x = 53,053,241,698,042.27/8,428,639.52
  6. Step 6: Final answer
    x = 6,294,401.55

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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.