Home / 7,266,470.72-10,899,651.40-1,874,662.79

Finding the Fourth Proportional to 7,266,470.72, 10,899,651.40 and 1,874,662.79

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Solution

The fourth proportional to 7,266,470.72, 10,899,651.40 and 1,874,662.79 is: 2,811,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266,470.72 : 10,899,651.40 = 1,874,662.79 : x
  2. Step 2: Convert to fraction form
    7,266,470.72/10,899,651.40 = 1,874,662.79/x
  3. Step 3: Cross multiply
    7,266,470.72x = 10,899,651.40 × 1,874,662.79
  4. Step 4: Simplify right side
    7,266,470.72x = 20,433,170,844,366.49
  5. Step 5: Solve for x
    x = 20,433,170,844,366.49/7,266,470.72
  6. Step 6: Final answer
    x = 2,811,980.07

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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.