Home / 18,461,010.30-27,691,515.45-12,414,392.70

Finding the Fourth Proportional to 18,461,010.30, 27,691,515.45 and 12,414,392.70

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Solution

The fourth proportional to 18,461,010.30, 27,691,515.45 and 12,414,392.70 is: 18,621,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,010.30 : 27,691,515.45 = 12,414,392.70 : x
  2. Step 2: Convert to fraction form
    18,461,010.30/27,691,515.45 = 12,414,392.70/x
  3. Step 3: Cross multiply
    18,461,010.30x = 27,691,515.45 × 12,414,392.70
  4. Step 4: Simplify right side
    18,461,010.30x = 343,773,347,254,417.19
  5. Step 5: Solve for x
    x = 343,773,347,254,417.19/18,461,010.30
  6. Step 6: Final answer
    x = 18,621,589.05

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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.