Home / 18,812,200.76-28,211,534.96-6,512,824.42

Finding the Fourth Proportional to 18,812,200.76, 28,211,534.96 and 6,512,824.42

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Solution

The fourth proportional to 18,812,200.76, 28,211,534.96 and 6,512,824.42 is: 9,766,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,200.76 : 28,211,534.96 = 6,512,824.42 : x
  2. Step 2: Convert to fraction form
    18,812,200.76/28,211,534.96 = 6,512,824.42/x
  3. Step 3: Cross multiply
    18,812,200.76x = 28,211,534.96 × 6,512,824.42
  4. Step 4: Simplify right side
    18,812,200.76x = 183,736,773,813,171.72
  5. Step 5: Solve for x
    x = 183,736,773,813,171.72/18,812,200.76
  6. Step 6: Final answer
    x = 9,766,894.16

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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.