Home / 12,290,744.40-18,436,991.40-3,771,067.20

Finding the Fourth Proportional to 12,290,744.40, 18,436,991.40 and 3,771,067.20

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Solution

The fourth proportional to 12,290,744.40, 18,436,991.40 and 3,771,067.20 is: 5,656,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,744.40 : 18,436,991.40 = 3,771,067.20 : x
  2. Step 2: Convert to fraction form
    12,290,744.40/18,436,991.40 = 3,771,067.20/x
  3. Step 3: Cross multiply
    12,290,744.40x = 18,436,991.40 × 3,771,067.20
  4. Step 4: Simplify right side
    12,290,744.40x = 69,527,133,535,222.08
  5. Step 5: Solve for x
    x = 69,527,133,535,222.08/12,290,744.40
  6. Step 6: Final answer
    x = 5,656,869.21

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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.