Home / 12,589,869.60-18,894,135.60-9,230,637.60

Finding the Fourth Proportional to 12,589,869.60, 18,894,135.60 and 9,230,637.60

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Solution

The fourth proportional to 12,589,869.60, 18,894,135.60 and 9,230,637.60 is: 13,852,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,869.60 : 18,894,135.60 = 9,230,637.60 : x
  2. Step 2: Convert to fraction form
    12,589,869.60/18,894,135.60 = 9,230,637.60/x
  3. Step 3: Cross multiply
    12,589,869.60x = 18,894,135.60 × 9,230,637.60
  4. Step 4: Simplify right side
    12,589,869.60x = 174,404,918,488,858.56
  5. Step 5: Solve for x
    x = 174,404,918,488,858.56/12,589,869.60
  6. Step 6: Final answer
    x = 13,852,797.85

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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.