Home / 40,010,672.54-55,214,381.67-21,675,914.30

Finding the Fourth Proportional to 40,010,672.54, 55,214,381.67 and 21,675,914.30

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Solution

The fourth proportional to 40,010,672.54, 55,214,381.67 and 21,675,914.30 is: 29,912,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010,672.54 : 55,214,381.67 = 21,675,914.30 : x
  2. Step 2: Convert to fraction form
    40,010,672.54/55,214,381.67 = 21,675,914.30/x
  3. Step 3: Cross multiply
    40,010,672.54x = 55,214,381.67 × 21,675,914.30
  4. Step 4: Simplify right side
    40,010,672.54x = 1,196,822,204,930,339
  5. Step 5: Solve for x
    x = 1,196,822,204,930,339/40,010,672.54
  6. Step 6: Final answer
    x = 29,912,574.05

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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.