Home / 18,183,348.40-25,093,605.45-10,342,659.78

Finding the Fourth Proportional to 18,183,348.40, 25,093,605.45 and 10,342,659.78

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Solution

The fourth proportional to 18,183,348.40, 25,093,605.45 and 10,342,659.78 is: 14,273,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183,348.40 : 25,093,605.45 = 10,342,659.78 : x
  2. Step 2: Convert to fraction form
    18,183,348.40/25,093,605.45 = 10,342,659.78/x
  3. Step 3: Cross multiply
    18,183,348.40x = 25,093,605.45 × 10,342,659.78
  4. Step 4: Simplify right side
    18,183,348.40x = 259,534,623,822,903.78
  5. Step 5: Solve for x
    x = 259,534,623,822,903.78/18,183,348.40
  6. Step 6: Final answer
    x = 14,273,203.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.