Home / 18,888,934.60-28,340,400.30-18,189,094.60

Finding the Fourth Proportional to 18,888,934.60, 28,340,400.30 and 18,189,094.60

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Solution

The fourth proportional to 18,888,934.60, 28,340,400.30 and 18,189,094.60 is: 27,290,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,934.60 : 28,340,400.30 = 18,189,094.60 : x
  2. Step 2: Convert to fraction form
    18,888,934.60/28,340,400.30 = 18,189,094.60/x
  3. Step 3: Cross multiply
    18,888,934.60x = 28,340,400.30 × 18,189,094.60
  4. Step 4: Simplify right side
    18,888,934.60x = 515,486,222,058,568.44
  5. Step 5: Solve for x
    x = 515,486,222,058,568.44/18,888,934.60
  6. Step 6: Final answer
    x = 27,290,381.01

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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.