Home / 18,917,795.59-28,376,693.75-4,540,863.40

Finding the Fourth Proportional to 18,917,795.59, 28,376,693.75 and 4,540,863.40

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Solution

The fourth proportional to 18,917,795.59, 28,376,693.75 and 4,540,863.40 is: 6,811,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,795.59 : 28,376,693.75 = 4,540,863.40 : x
  2. Step 2: Convert to fraction form
    18,917,795.59/28,376,693.75 = 4,540,863.40/x
  3. Step 3: Cross multiply
    18,917,795.59x = 28,376,693.75 × 4,540,863.40
  4. Step 4: Simplify right side
    18,917,795.59x = 128,854,690,002,794.17
  5. Step 5: Solve for x
    x = 128,854,690,002,794.17/18,917,795.59
  6. Step 6: Final answer
    x = 6,811,295.19

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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.