Home / 20,108,943.61-30,158,926.59-9,324,843.19

Finding the Fourth Proportional to 20,108,943.61, 30,158,926.59 and 9,324,843.19

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Solution

The fourth proportional to 20,108,943.61, 30,158,926.59 and 9,324,843.19 is: 13,985,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,943.61 : 30,158,926.59 = 9,324,843.19 : x
  2. Step 2: Convert to fraction form
    20,108,943.61/30,158,926.59 = 9,324,843.19/x
  3. Step 3: Cross multiply
    20,108,943.61x = 30,158,926.59 × 9,324,843.19
  4. Step 4: Simplify right side
    20,108,943.61x = 281,227,261,155,074.09
  5. Step 5: Solve for x
    x = 281,227,261,155,074.09/20,108,943.61
  6. Step 6: Final answer
    x = 13,985,183.24

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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.