Home / 15,524,079.42-21,423,371.30-8,555,007.02

Finding the Fourth Proportional to 15,524,079.42, 21,423,371.30 and 8,555,007.02

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Solution

The fourth proportional to 15,524,079.42, 21,423,371.30 and 8,555,007.02 is: 11,805,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524,079.42 : 21,423,371.30 = 8,555,007.02 : x
  2. Step 2: Convert to fraction form
    15,524,079.42/21,423,371.30 = 8,555,007.02/x
  3. Step 3: Cross multiply
    15,524,079.42x = 21,423,371.30 × 8,555,007.02
  4. Step 4: Simplify right side
    15,524,079.42x = 183,277,091,713,674.66
  5. Step 5: Solve for x
    x = 183,277,091,713,674.66/15,524,079.42
  6. Step 6: Final answer
    x = 11,805,987.77

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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.