Home / 10,315,063.60-15,489,119.40-8,202,713.20

Finding the Fourth Proportional to 10,315,063.60, 15,489,119.40 and 8,202,713.20

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Solution

The fourth proportional to 10,315,063.60, 15,489,119.40 and 8,202,713.20 is: 12,317,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,063.60 : 15,489,119.40 = 8,202,713.20 : x
  2. Step 2: Convert to fraction form
    10,315,063.60/15,489,119.40 = 8,202,713.20/x
  3. Step 3: Cross multiply
    10,315,063.60x = 15,489,119.40 × 8,202,713.20
  4. Step 4: Simplify right side
    10,315,063.60x = 127,052,804,158,756.09
  5. Step 5: Solve for x
    x = 127,052,804,158,756.09/10,315,063.60
  6. Step 6: Final answer
    x = 12,317,209.96

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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.