Home / 8,382,049.02-11,558,615.09-7,004,878.72

Finding the Fourth Proportional to 8,382,049.02, 11,558,615.09 and 7,004,878.72

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Solution

The fourth proportional to 8,382,049.02, 11,558,615.09 and 7,004,878.72 is: 9,659,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,049.02 : 11,558,615.09 = 7,004,878.72 : x
  2. Step 2: Convert to fraction form
    8,382,049.02/11,558,615.09 = 7,004,878.72/x
  3. Step 3: Cross multiply
    8,382,049.02x = 11,558,615.09 × 7,004,878.72
  4. Step 4: Simplify right side
    8,382,049.02x = 80,966,696,812,690.97
  5. Step 5: Solve for x
    x = 80,966,696,812,690.97/8,382,049.02
  6. Step 6: Final answer
    x = 9,659,535.11

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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.