Home / 20,474,314.60-30,722,070.30-8,352,663.40

Finding the Fourth Proportional to 20,474,314.60, 30,722,070.30 and 8,352,663.40

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Solution

The fourth proportional to 20,474,314.60, 30,722,070.30 and 8,352,663.40 is: 12,533,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,314.60 : 30,722,070.30 = 8,352,663.40 : x
  2. Step 2: Convert to fraction form
    20,474,314.60/30,722,070.30 = 8,352,663.40/x
  3. Step 3: Cross multiply
    20,474,314.60x = 30,722,070.30 × 8,352,663.40
  4. Step 4: Simplify right side
    20,474,314.60x = 256,611,112,167,037.03
  5. Step 5: Solve for x
    x = 256,611,112,167,037.03/20,474,314.60
  6. Step 6: Final answer
    x = 12,533,318.80

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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.