Home / 27,921,996.70-41,882,995.05-18,852,070.30

Finding the Fourth Proportional to 27,921,996.70, 41,882,995.05 and 18,852,070.30

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Solution

The fourth proportional to 27,921,996.70, 41,882,995.05 and 18,852,070.30 is: 28,278,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921,996.70 : 41,882,995.05 = 18,852,070.30 : x
  2. Step 2: Convert to fraction form
    27,921,996.70/41,882,995.05 = 18,852,070.30/x
  3. Step 3: Cross multiply
    27,921,996.70x = 41,882,995.05 × 18,852,070.30
  4. Step 4: Simplify right side
    27,921,996.70x = 789,581,167,057,152
  5. Step 5: Solve for x
    x = 789,581,167,057,152/27,921,996.70
  6. Step 6: Final answer
    x = 28,278,105.45

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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.