Home / 28,275,636.06-42,412,606.62-7,806,605.04

Finding the Fourth Proportional to 28,275,636.06, 42,412,606.62 and 7,806,605.04

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Solution

The fourth proportional to 28,275,636.06, 42,412,606.62 and 7,806,605.04 is: 11,709,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275,636.06 : 42,412,606.62 = 7,806,605.04 : x
  2. Step 2: Convert to fraction form
    28,275,636.06/42,412,606.62 = 7,806,605.04/x
  3. Step 3: Cross multiply
    28,275,636.06x = 42,412,606.62 × 7,806,605.04
  4. Step 4: Simplify right side
    28,275,636.06x = 331,098,468,599,229.38
  5. Step 5: Solve for x
    x = 331,098,468,599,229.38/28,275,636.06
  6. Step 6: Final answer
    x = 11,709,673.58

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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.