Home / 28,227,006.12-38,950,926.66-15,835,404.84

Finding the Fourth Proportional to 28,227,006.12, 38,950,926.66 and 15,835,404.84

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Solution

The fourth proportional to 28,227,006.12, 38,950,926.66 and 15,835,404.84 is: 21,851,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227,006.12 : 38,950,926.66 = 15,835,404.84 : x
  2. Step 2: Convert to fraction form
    28,227,006.12/38,950,926.66 = 15,835,404.84/x
  3. Step 3: Cross multiply
    28,227,006.12x = 38,950,926.66 × 15,835,404.84
  4. Step 4: Simplify right side
    28,227,006.12x = 616,803,692,554,249
  5. Step 5: Solve for x
    x = 616,803,692,554,249/28,227,006.12
  6. Step 6: Final answer
    x = 21,851,544.93

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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.