Home / 7,133,019.29-9,843,585.31-3,869,833.85

Finding the Fourth Proportional to 7,133,019.29, 9,843,585.31 and 3,869,833.85

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Solution

The fourth proportional to 7,133,019.29, 9,843,585.31 and 3,869,833.85 is: 5,340,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133,019.29 : 9,843,585.31 = 3,869,833.85 : x
  2. Step 2: Convert to fraction form
    7,133,019.29/9,843,585.31 = 3,869,833.85/x
  3. Step 3: Cross multiply
    7,133,019.29x = 9,843,585.31 × 3,869,833.85
  4. Step 4: Simplify right side
    7,133,019.29x = 38,093,039,638,000.75
  5. Step 5: Solve for x
    x = 38,093,039,638,000.75/7,133,019.29
  6. Step 6: Final answer
    x = 5,340,380.85

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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.