Home / 18,627,507.68-27,941,268.76-8,380,400.72

Finding the Fourth Proportional to 18,627,507.68, 27,941,268.76 and 8,380,400.72

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Solution

The fourth proportional to 18,627,507.68, 27,941,268.76 and 8,380,400.72 is: 12,570,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,507.68 : 27,941,268.76 = 8,380,400.72 : x
  2. Step 2: Convert to fraction form
    18,627,507.68/27,941,268.76 = 8,380,400.72/x
  3. Step 3: Cross multiply
    18,627,507.68x = 27,941,268.76 × 8,380,400.72
  4. Step 4: Simplify right side
    18,627,507.68x = 234,159,028,834,017.50
  5. Step 5: Solve for x
    x = 234,159,028,834,017.50/18,627,507.68
  6. Step 6: Final answer
    x = 12,570,604.34

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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.