Home / 18,997,653.20-28,499,244.60-6,215,061.20

Finding the Fourth Proportional to 18,997,653.20, 28,499,244.60 and 6,215,061.20

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Solution

The fourth proportional to 18,997,653.20, 28,499,244.60 and 6,215,061.20 is: 9,323,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997,653.20 : 28,499,244.60 = 6,215,061.20 : x
  2. Step 2: Convert to fraction form
    18,997,653.20/28,499,244.60 = 6,215,061.20/x
  3. Step 3: Cross multiply
    18,997,653.20x = 28,499,244.60 × 6,215,061.20
  4. Step 4: Simplify right side
    18,997,653.20x = 177,124,549,342,769.53
  5. Step 5: Solve for x
    x = 177,124,549,342,769.53/18,997,653.20
  6. Step 6: Final answer
    x = 9,323,496.30

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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.