Home / 18,951,465.81-28,426,076.52-5,304,309.71

Finding the Fourth Proportional to 18,951,465.81, 28,426,076.52 and 5,304,309.71

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Solution

The fourth proportional to 18,951,465.81, 28,426,076.52 and 5,304,309.71 is: 7,956,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,465.81 : 28,426,076.52 = 5,304,309.71 : x
  2. Step 2: Convert to fraction form
    18,951,465.81/28,426,076.52 = 5,304,309.71/x
  3. Step 3: Cross multiply
    18,951,465.81x = 28,426,076.52 × 5,304,309.71
  4. Step 4: Simplify right side
    18,951,465.81x = 150,780,713,540,217.47
  5. Step 5: Solve for x
    x = 150,780,713,540,217.47/18,951,465.81
  6. Step 6: Final answer
    x = 7,956,150.46

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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.