Home / 18,132,703.20-27,199,054.80-12,393,140.40

Finding the Fourth Proportional to 18,132,703.20, 27,199,054.80 and 12,393,140.40

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Solution

The fourth proportional to 18,132,703.20, 27,199,054.80 and 12,393,140.40 is: 18,589,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,703.20 : 27,199,054.80 = 12,393,140.40 : x
  2. Step 2: Convert to fraction form
    18,132,703.20/27,199,054.80 = 12,393,140.40/x
  3. Step 3: Cross multiply
    18,132,703.20x = 27,199,054.80 × 12,393,140.40
  4. Step 4: Simplify right side
    18,132,703.20x = 337,081,704,883,693.94
  5. Step 5: Solve for x
    x = 337,081,704,883,693.94/18,132,703.20
  6. Step 6: Final answer
    x = 18,589,710.60

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Similar ratio
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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.