Home / 12,507,581.07-18,761,174.51-3,987,860.13

Finding the Fourth Proportional to 12,507,581.07, 18,761,174.51 and 3,987,860.13

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Solution

The fourth proportional to 12,507,581.07, 18,761,174.51 and 3,987,860.13 is: 5,981,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,581.07 : 18,761,174.51 = 3,987,860.13 : x
  2. Step 2: Convert to fraction form
    12,507,581.07/18,761,174.51 = 3,987,860.13/x
  3. Step 3: Cross multiply
    12,507,581.07x = 18,761,174.51 × 3,987,860.13
  4. Step 4: Simplify right side
    12,507,581.07x = 74,816,939,800,461.98
  5. Step 5: Solve for x
    x = 74,816,939,800,461.98/12,507,581.07
  6. Step 6: Final answer
    x = 5,981,727.35

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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.