Home / 8,656,544.80-12,981,755.40-2,975,447.80

Finding the Fourth Proportional to 8,656,544.80, 12,981,755.40 and 2,975,447.80

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Solution

The fourth proportional to 8,656,544.80, 12,981,755.40 and 2,975,447.80 is: 4,462,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,544.80 : 12,981,755.40 = 2,975,447.80 : x
  2. Step 2: Convert to fraction form
    8,656,544.80/12,981,755.40 = 2,975,447.80/x
  3. Step 3: Cross multiply
    8,656,544.80x = 12,981,755.40 × 2,975,447.80
  4. Step 4: Simplify right side
    8,656,544.80x = 38,626,535,545,068.12
  5. Step 5: Solve for x
    x = 38,626,535,545,068.12/8,656,544.80
  6. Step 6: Final answer
    x = 4,462,119.29

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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.