Home / 9,965,340.37-13,752,169.61-5,381,661.75

Finding the Fourth Proportional to 9,965,340.37, 13,752,169.61 and 5,381,661.75

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Solution

The fourth proportional to 9,965,340.37, 13,752,169.61 and 5,381,661.75 is: 7,426,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,340.37 : 13,752,169.61 = 5,381,661.75 : x
  2. Step 2: Convert to fraction form
    9,965,340.37/13,752,169.61 = 5,381,661.75/x
  3. Step 3: Cross multiply
    9,965,340.37x = 13,752,169.61 × 5,381,661.75
  4. Step 4: Simplify right side
    9,965,340.37x = 74,009,525,091,170.47
  5. Step 5: Solve for x
    x = 74,009,525,091,170.47/9,965,340.37
  6. Step 6: Final answer
    x = 7,426,693.15

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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.