Home / 27,998,181.63-38,635,517.67-15,607,726.98

Finding the Fourth Proportional to 27,998,181.63, 38,635,517.67 and 15,607,726.98

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Solution

The fourth proportional to 27,998,181.63, 38,635,517.67 and 15,607,726.98 is: 21,537,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998,181.63 : 38,635,517.67 = 15,607,726.98 : x
  2. Step 2: Convert to fraction form
    27,998,181.63/38,635,517.67 = 15,607,726.98/x
  3. Step 3: Cross multiply
    27,998,181.63x = 38,635,517.67 × 15,607,726.98
  4. Step 4: Simplify right side
    27,998,181.63x = 603,012,611,253,109.50
  5. Step 5: Solve for x
    x = 603,012,611,253,109.50/27,998,181.63
  6. Step 6: Final answer
    x = 21,537,563.38

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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.