Home / 7,988,559.48-11,981,658.24-2,938,689

Finding the Fourth Proportional to 7,988,559.48, 11,981,658.24 and 2,938,689

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Solution

The fourth proportional to 7,988,559.48, 11,981,658.24 and 2,938,689 is: 4,407,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,559.48 : 11,981,658.24 = 2,938,689 : x
  2. Step 2: Convert to fraction form
    7,988,559.48/11,981,658.24 = 2,938,689/x
  3. Step 3: Cross multiply
    7,988,559.48x = 11,981,658.24 × 2,938,689
  4. Step 4: Simplify right side
    7,988,559.48x = 35,210,367,271,647.36
  5. Step 5: Solve for x
    x = 35,210,367,271,647.36/7,988,559.48
  6. Step 6: Final answer
    x = 4,407,599.06

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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.