Home / 20,496,842.10-30,745,263.15-8,362,272.60

Finding the Fourth Proportional to 20,496,842.10, 30,745,263.15 and 8,362,272.60

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Solution

The fourth proportional to 20,496,842.10, 30,745,263.15 and 8,362,272.60 is: 12,543,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,842.10 : 30,745,263.15 = 8,362,272.60 : x
  2. Step 2: Convert to fraction form
    20,496,842.10/30,745,263.15 = 8,362,272.60/x
  3. Step 3: Cross multiply
    20,496,842.10x = 30,745,263.15 × 8,362,272.60
  4. Step 4: Simplify right side
    20,496,842.10x = 257,100,271,619,034.66
  5. Step 5: Solve for x
    x = 257,100,271,619,034.66/20,496,842.10
  6. Step 6: Final answer
    x = 12,543,408.90

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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.