Home / 20,808,016.60-31,210,469.70-8,674,346.20

Finding the Fourth Proportional to 20,808,016.60, 31,210,469.70 and 8,674,346.20

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Solution

The fourth proportional to 20,808,016.60, 31,210,469.70 and 8,674,346.20 is: 13,010,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,016.60 : 31,210,469.70 = 8,674,346.20 : x
  2. Step 2: Convert to fraction form
    20,808,016.60/31,210,469.70 = 8,674,346.20/x
  3. Step 3: Cross multiply
    20,808,016.60x = 31,210,469.70 × 8,674,346.20
  4. Step 4: Simplify right side
    20,808,016.60x = 270,730,419,242,410.12
  5. Step 5: Solve for x
    x = 270,730,419,242,410.12/20,808,016.60
  6. Step 6: Final answer
    x = 13,010,870.98

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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.