Home / 18,214,839.20-27,353,751.60-9,711,783.20

Finding the Fourth Proportional to 18,214,839.20, 27,353,751.60 and 9,711,783.20

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Solution

The fourth proportional to 18,214,839.20, 27,353,751.60 and 9,711,783.20 is: 14,584,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,839.20 : 27,353,751.60 = 9,711,783.20 : x
  2. Step 2: Convert to fraction form
    18,214,839.20/27,353,751.60 = 9,711,783.20/x
  3. Step 3: Cross multiply
    18,214,839.20x = 27,353,751.60 × 9,711,783.20
  4. Step 4: Simplify right side
    18,214,839.20x = 265,653,705,245,853.12
  5. Step 5: Solve for x
    x = 265,653,705,245,853.12/18,214,839.20
  6. Step 6: Final answer
    x = 14,584,466.12

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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.