Home / 9,764,428.40-13,475,709.68-5,414,879.04

Finding the Fourth Proportional to 9,764,428.40, 13,475,709.68 and 5,414,879.04

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Solution

The fourth proportional to 9,764,428.40, 13,475,709.68 and 5,414,879.04 is: 7,472,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764,428.40 : 13,475,709.68 = 5,414,879.04 : x
  2. Step 2: Convert to fraction form
    9,764,428.40/13,475,709.68 = 5,414,879.04/x
  3. Step 3: Cross multiply
    9,764,428.40x = 13,475,709.68 × 5,414,879.04
  4. Step 4: Simplify right side
    9,764,428.40x = 72,969,337,895,357.11
  5. Step 5: Solve for x
    x = 72,969,337,895,357.11/9,764,428.40
  6. Step 6: Final answer
    x = 7,472,975.88

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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.