Home / 28,881,126.77-43,321,356.17-7,021,629.84

Finding the Fourth Proportional to 28,881,126.77, 43,321,356.17 and 7,021,629.84

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Solution

The fourth proportional to 28,881,126.77, 43,321,356.17 and 7,021,629.84 is: 10,532,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,126.77 : 43,321,356.17 = 7,021,629.84 : x
  2. Step 2: Convert to fraction form
    28,881,126.77/43,321,356.17 = 7,021,629.84/x
  3. Step 3: Cross multiply
    28,881,126.77x = 43,321,356.17 × 7,021,629.84
  4. Step 4: Simplify right side
    28,881,126.77x = 304,186,527,192,540.12
  5. Step 5: Solve for x
    x = 304,186,527,192,540.12/28,881,126.77
  6. Step 6: Final answer
    x = 10,532,363.56

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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.