Home / 9,538,452.15-13,162,936.75-5,187,444.81

Finding the Fourth Proportional to 9,538,452.15, 13,162,936.75 and 5,187,444.81

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Solution

The fourth proportional to 9,538,452.15, 13,162,936.75 and 5,187,444.81 is: 7,158,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538,452.15 : 13,162,936.75 = 5,187,444.81 : x
  2. Step 2: Convert to fraction form
    9,538,452.15/13,162,936.75 = 5,187,444.81/x
  3. Step 3: Cross multiply
    9,538,452.15x = 13,162,936.75 × 5,187,444.81
  4. Step 4: Simplify right side
    9,538,452.15x = 68,282,007,928,145.77
  5. Step 5: Solve for x
    x = 68,282,007,928,145.77/9,538,452.15
  6. Step 6: Final answer
    x = 7,158,604.65

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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.