Home / 18,588,549.62-27,893,737.54-7,805,021.24

Finding the Fourth Proportional to 18,588,549.62, 27,893,737.54 and 7,805,021.24

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Solution

The fourth proportional to 18,588,549.62, 27,893,737.54 and 7,805,021.24 is: 11,712,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,549.62 : 27,893,737.54 = 7,805,021.24 : x
  2. Step 2: Convert to fraction form
    18,588,549.62/27,893,737.54 = 7,805,021.24/x
  3. Step 3: Cross multiply
    18,588,549.62x = 27,893,737.54 × 7,805,021.24
  4. Step 4: Simplify right side
    18,588,549.62x = 217,711,213,962,685.34
  5. Step 5: Solve for x
    x = 217,711,213,962,685.34/18,588,549.62
  6. Step 6: Final answer
    x = 11,712,114.09

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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.