Home / 9,678,530.29-13,356,371.61-5,268,272.74

Finding the Fourth Proportional to 9,678,530.29, 13,356,371.61 and 5,268,272.74

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Solution

The fourth proportional to 9,678,530.29, 13,356,371.61 and 5,268,272.74 is: 7,270,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,530.29 : 13,356,371.61 = 5,268,272.74 : x
  2. Step 2: Convert to fraction form
    9,678,530.29/13,356,371.61 = 5,268,272.74/x
  3. Step 3: Cross multiply
    9,678,530.29x = 13,356,371.61 × 5,268,272.74
  4. Step 4: Simplify right side
    9,678,530.29x = 70,365,008,391,491.05
  5. Step 5: Solve for x
    x = 70,365,008,391,491.05/9,678,530.29
  6. Step 6: Final answer
    x = 7,270,216.27

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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.