Home / 21,727,492.45-32,543,999.48-13,192,943.65

Finding the Fourth Proportional to 21,727,492.45, 32,543,999.48 and 13,192,943.65

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Solution

The fourth proportional to 21,727,492.45, 32,543,999.48 and 13,192,943.65 is: 19,760,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,492.45 : 32,543,999.48 = 13,192,943.65 : x
  2. Step 2: Convert to fraction form
    21,727,492.45/32,543,999.48 = 13,192,943.65/x
  3. Step 3: Cross multiply
    21,727,492.45x = 32,543,999.48 × 13,192,943.65
  4. Step 4: Simplify right side
    21,727,492.45x = 429,351,151,219,304.62
  5. Step 5: Solve for x
    x = 429,351,151,219,304.62/21,727,492.45
  6. Step 6: Final answer
    x = 19,760,731.81

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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.