Home / 9,319,005.81-12,857,145.46-5,448,786.93

Finding the Fourth Proportional to 9,319,005.81, 12,857,145.46 and 5,448,786.93

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Solution

The fourth proportional to 9,319,005.81, 12,857,145.46 and 5,448,786.93 is: 7,517,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319,005.81 : 12,857,145.46 = 5,448,786.93 : x
  2. Step 2: Convert to fraction form
    9,319,005.81/12,857,145.46 = 5,448,786.93/x
  3. Step 3: Cross multiply
    9,319,005.81x = 12,857,145.46 × 5,448,786.93
  4. Step 4: Simplify right side
    9,319,005.81x = 70,055,846,125,934.87
  5. Step 5: Solve for x
    x = 70,055,846,125,934.87/9,319,005.81
  6. Step 6: Final answer
    x = 7,517,523.60

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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.