Home / 20,763,087.70-31,144,631.55-9,248,532.70

Finding the Fourth Proportional to 20,763,087.70, 31,144,631.55 and 9,248,532.70

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Solution

The fourth proportional to 20,763,087.70, 31,144,631.55 and 9,248,532.70 is: 13,872,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,087.70 : 31,144,631.55 = 9,248,532.70 : x
  2. Step 2: Convert to fraction form
    20,763,087.70/31,144,631.55 = 9,248,532.70/x
  3. Step 3: Cross multiply
    20,763,087.70x = 31,144,631.55 × 9,248,532.70
  4. Step 4: Simplify right side
    20,763,087.70x = 288,042,143,319,626.69
  5. Step 5: Solve for x
    x = 288,042,143,319,626.69/20,763,087.70
  6. Step 6: Final answer
    x = 13,872,799.05

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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.