Home / 20,342,870.70-30,564,072.45-15,304,022.70

Finding the Fourth Proportional to 20,342,870.70, 30,564,072.45 and 15,304,022.70

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Solution

The fourth proportional to 20,342,870.70, 30,564,072.45 and 15,304,022.70 is: 22,993,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,870.70 : 30,564,072.45 = 15,304,022.70 : x
  2. Step 2: Convert to fraction form
    20,342,870.70/30,564,072.45 = 15,304,022.70/x
  3. Step 3: Cross multiply
    20,342,870.70x = 30,564,072.45 × 15,304,022.70
  4. Step 4: Simplify right side
    20,342,870.70x = 467,753,258,579,244.56
  5. Step 5: Solve for x
    x = 467,753,258,579,244.56/20,342,870.70
  6. Step 6: Final answer
    x = 22,993,473.51

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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.