Home / 19,338,503.68-29,011,060.32-7,972,739.20

Finding the Fourth Proportional to 19,338,503.68, 29,011,060.32 and 7,972,739.20

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Solution

The fourth proportional to 19,338,503.68, 29,011,060.32 and 7,972,739.20 is: 11,960,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,503.68 : 29,011,060.32 = 7,972,739.20 : x
  2. Step 2: Convert to fraction form
    19,338,503.68/29,011,060.32 = 7,972,739.20/x
  3. Step 3: Cross multiply
    19,338,503.68x = 29,011,060.32 × 7,972,739.20
  4. Step 4: Simplify right side
    19,338,503.68x = 231,297,617,846,828.56
  5. Step 5: Solve for x
    x = 231,297,617,846,828.56/19,338,503.68
  6. Step 6: Final answer
    x = 11,960,471.28

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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.