Home / 21,001,567.05-31,502,350.58-19,726,108.65

Finding the Fourth Proportional to 21,001,567.05, 31,502,350.58 and 19,726,108.65

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Solution

The fourth proportional to 21,001,567.05, 31,502,350.58 and 19,726,108.65 is: 29,589,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,567.05 : 31,502,350.58 = 19,726,108.65 : x
  2. Step 2: Convert to fraction form
    21,001,567.05/31,502,350.58 = 19,726,108.65/x
  3. Step 3: Cross multiply
    21,001,567.05x = 31,502,350.58 × 19,726,108.65
  4. Step 4: Simplify right side
    21,001,567.05x = 621,418,790,172,839.88
  5. Step 5: Solve for x
    x = 621,418,790,172,839.88/21,001,567.05
  6. Step 6: Final answer
    x = 29,589,162.98

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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.