Home / 18,585,279.20-27,868,346.40-8,341,357.20

Finding the Fourth Proportional to 18,585,279.20, 27,868,346.40 and 8,341,357.20

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Solution

The fourth proportional to 18,585,279.20, 27,868,346.40 and 8,341,357.20 is: 12,507,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,279.20 : 27,868,346.40 = 8,341,357.20 : x
  2. Step 2: Convert to fraction form
    18,585,279.20/27,868,346.40 = 8,341,357.20/x
  3. Step 3: Cross multiply
    18,585,279.20x = 27,868,346.40 × 8,341,357.20
  4. Step 4: Simplify right side
    18,585,279.20x = 232,459,831,895,734.06
  5. Step 5: Solve for x
    x = 232,459,831,895,734.06/18,585,279.20
  6. Step 6: Final answer
    x = 12,507,739.56

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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.