Home / 21,162,352.80-29,206,330.56-11,994,011.52

Finding the Fourth Proportional to 21,162,352.80, 29,206,330.56 and 11,994,011.52

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Solution

The fourth proportional to 21,162,352.80, 29,206,330.56 and 11,994,011.52 is: 16,553,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,162,352.80 : 29,206,330.56 = 11,994,011.52 : x
  2. Step 2: Convert to fraction form
    21,162,352.80/29,206,330.56 = 11,994,011.52/x
  3. Step 3: Cross multiply
    21,162,352.80x = 29,206,330.56 × 11,994,011.52
  4. Step 4: Simplify right side
    21,162,352.80x = 350,301,065,193,568
  5. Step 5: Solve for x
    x = 350,301,065,193,568/21,162,352.80
  6. Step 6: Final answer
    x = 16,553,030.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.