Home / 18,716,171.70-28,070,013.38-8,474,270.27

Finding the Fourth Proportional to 18,716,171.70, 28,070,013.38 and 8,474,270.27

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Solution

The fourth proportional to 18,716,171.70, 28,070,013.38 and 8,474,270.27 is: 12,709,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,171.70 : 28,070,013.38 = 8,474,270.27 : x
  2. Step 2: Convert to fraction form
    18,716,171.70/28,070,013.38 = 8,474,270.27/x
  3. Step 3: Cross multiply
    18,716,171.70x = 28,070,013.38 × 8,474,270.27
  4. Step 4: Simplify right side
    18,716,171.70x = 237,872,879,752,089.84
  5. Step 5: Solve for x
    x = 237,872,879,752,089.84/18,716,171.70
  6. Step 6: Final answer
    x = 12,709,483.74

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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.