Home / 7,143,226.27-9,858,470.02-4,004,337.72

Finding the Fourth Proportional to 7,143,226.27, 9,858,470.02 and 4,004,337.72

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Solution

The fourth proportional to 7,143,226.27, 9,858,470.02 and 4,004,337.72 is: 5,526,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,226.27 : 9,858,470.02 = 4,004,337.72 : x
  2. Step 2: Convert to fraction form
    7,143,226.27/9,858,470.02 = 4,004,337.72/x
  3. Step 3: Cross multiply
    7,143,226.27x = 9,858,470.02 × 4,004,337.72
  4. Step 4: Simplify right side
    7,143,226.27x = 39,476,643,347,939.83
  5. Step 5: Solve for x
    x = 39,476,643,347,939.83/7,143,226.27
  6. Step 6: Final answer
    x = 5,526,444.47

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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.