Home / 20,178,049.80-30,267,074.70-9,944,858.10

Finding the Fourth Proportional to 20,178,049.80, 30,267,074.70 and 9,944,858.10

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Solution

The fourth proportional to 20,178,049.80, 30,267,074.70 and 9,944,858.10 is: 14,917,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,049.80 : 30,267,074.70 = 9,944,858.10 : x
  2. Step 2: Convert to fraction form
    20,178,049.80/30,267,074.70 = 9,944,858.10/x
  3. Step 3: Cross multiply
    20,178,049.80x = 30,267,074.70 × 9,944,858.10
  4. Step 4: Simplify right side
    20,178,049.80x = 301,001,762,993,600.06
  5. Step 5: Solve for x
    x = 301,001,762,993,600.06/20,178,049.80
  6. Step 6: Final answer
    x = 14,917,287.15

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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.