Home / 18,645,836.96-25,731,736.08-10,497,366.56

Finding the Fourth Proportional to 18,645,836.96, 25,731,736.08 and 10,497,366.56

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Solution

The fourth proportional to 18,645,836.96, 25,731,736.08 and 10,497,366.56 is: 14,486,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645,836.96 : 25,731,736.08 = 10,497,366.56 : x
  2. Step 2: Convert to fraction form
    18,645,836.96/25,731,736.08 = 10,497,366.56/x
  3. Step 3: Cross multiply
    18,645,836.96x = 25,731,736.08 × 10,497,366.56
  4. Step 4: Simplify right side
    18,645,836.96x = 270,115,465,856,937.47
  5. Step 5: Solve for x
    x = 270,115,465,856,937.47/18,645,836.96
  6. Step 6: Final answer
    x = 14,486,636.69

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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.