Home / 18,665,446.20-25,758,309.90-10,080,742.20

Finding the Fourth Proportional to 18,665,446.20, 25,758,309.90 and 10,080,742.20

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Solution

The fourth proportional to 18,665,446.20, 25,758,309.90 and 10,080,742.20 is: 13,911,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,446.20 : 25,758,309.90 = 10,080,742.20 : x
  2. Step 2: Convert to fraction form
    18,665,446.20/25,758,309.90 = 10,080,742.20/x
  3. Step 3: Cross multiply
    18,665,446.20x = 25,758,309.90 × 10,080,742.20
  4. Step 4: Simplify right side
    18,665,446.20x = 259,662,881,609,607.75
  5. Step 5: Solve for x
    x = 259,662,881,609,607.75/18,665,446.20
  6. Step 6: Final answer
    x = 13,911,421.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.