Home / 15,487,514.62-21,371,892.30-8,611,849.06

Finding the Fourth Proportional to 15,487,514.62, 21,371,892.30 and 8,611,849.06

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Solution

The fourth proportional to 15,487,514.62, 21,371,892.30 and 8,611,849.06 is: 11,883,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,514.62 : 21,371,892.30 = 8,611,849.06 : x
  2. Step 2: Convert to fraction form
    15,487,514.62/21,371,892.30 = 8,611,849.06/x
  3. Step 3: Cross multiply
    15,487,514.62x = 21,371,892.30 × 8,611,849.06
  4. Step 4: Simplify right side
    15,487,514.62x = 184,051,510,614,176.25
  5. Step 5: Solve for x
    x = 184,051,510,614,176.25/15,487,514.62
  6. Step 6: Final answer
    x = 11,883,863.56

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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.