Home / 20,315,919.04-30,478,394.72-9,527,469.91

Finding the Fourth Proportional to 20,315,919.04, 30,478,394.72 and 9,527,469.91

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Solution

The fourth proportional to 20,315,919.04, 30,478,394.72 and 9,527,469.91 is: 14,293,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315,919.04 : 30,478,394.72 = 9,527,469.91 : x
  2. Step 2: Convert to fraction form
    20,315,919.04/30,478,394.72 = 9,527,469.91/x
  3. Step 3: Cross multiply
    20,315,919.04x = 30,478,394.72 × 9,527,469.91
  4. Step 4: Simplify right side
    20,315,919.04x = 290,381,988,599,902.88
  5. Step 5: Solve for x
    x = 290,381,988,599,902.88/20,315,919.04
  6. Step 6: Final answer
    x = 14,293,322.79

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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.