Home / 12,816,571.98-17,687,319.26-7,015,358.46

Finding the Fourth Proportional to 12,816,571.98, 17,687,319.26 and 7,015,358.46

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Solution

The fourth proportional to 12,816,571.98, 17,687,319.26 and 7,015,358.46 is: 9,681,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,571.98 : 17,687,319.26 = 7,015,358.46 : x
  2. Step 2: Convert to fraction form
    12,816,571.98/17,687,319.26 = 7,015,358.46/x
  3. Step 3: Cross multiply
    12,816,571.98x = 17,687,319.26 × 7,015,358.46
  4. Step 4: Simplify right side
    12,816,571.98x = 124,082,884,770,285.14
  5. Step 5: Solve for x
    x = 124,082,884,770,285.14/12,816,571.98
  6. Step 6: Final answer
    x = 9,681,440.95

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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.