Home / 18,888,165.60-28,339,246.80-18,188,325.60

Finding the Fourth Proportional to 18,888,165.60, 28,339,246.80 and 18,188,325.60

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Solution

The fourth proportional to 18,888,165.60, 28,339,246.80 and 18,188,325.60 is: 27,289,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,165.60 : 28,339,246.80 = 18,188,325.60 : x
  2. Step 2: Convert to fraction form
    18,888,165.60/28,339,246.80 = 18,188,325.60/x
  3. Step 3: Cross multiply
    18,888,165.60x = 28,339,246.80 × 18,188,325.60
  4. Step 4: Simplify right side
    18,888,165.60x = 515,443,448,057,158.12
  5. Step 5: Solve for x
    x = 515,443,448,057,158.12/18,888,165.60
  6. Step 6: Final answer
    x = 27,289,227.50

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1.5x scale

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.