Home / 9,517,091.40-13,133,602.92-5,166,180.72

Finding the Fourth Proportional to 9,517,091.40, 13,133,602.92 and 5,166,180.72

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Solution

The fourth proportional to 9,517,091.40, 13,133,602.92 and 5,166,180.72 is: 7,129,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517,091.40 : 13,133,602.92 = 5,166,180.72 : x
  2. Step 2: Convert to fraction form
    9,517,091.40/13,133,602.92 = 5,166,180.72/x
  3. Step 3: Cross multiply
    9,517,091.40x = 13,133,602.92 × 5,166,180.72
  4. Step 4: Simplify right side
    9,517,091.40x = 67,850,566,189,439.70
  5. Step 5: Solve for x
    x = 67,850,566,189,439.70/9,517,091.40
  6. Step 6: Final answer
    x = 7,129,338.51

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1.5x scale

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.