Home / 10,485,812.70-15,729,279.56-3,297,907.10

Finding the Fourth Proportional to 10,485,812.70, 15,729,279.56 and 3,297,907.10

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Solution

The fourth proportional to 10,485,812.70, 15,729,279.56 and 3,297,907.10 is: 4,947,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485,812.70 : 15,729,279.56 = 3,297,907.10 : x
  2. Step 2: Convert to fraction form
    10,485,812.70/15,729,279.56 = 3,297,907.10/x
  3. Step 3: Cross multiply
    10,485,812.70x = 15,729,279.56 × 3,297,907.10
  4. Step 4: Simplify right side
    10,485,812.70x = 51,873,702,643,672.95
  5. Step 5: Solve for x
    x = 51,873,702,643,672.95/10,485,812.70
  6. Step 6: Final answer
    x = 4,947,036.93

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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.