Home / 15,536,621.16-21,441,814.13-8,568,661.88

Finding the Fourth Proportional to 15,536,621.16, 21,441,814.13 and 8,568,661.88

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Solution

The fourth proportional to 15,536,621.16, 21,441,814.13 and 8,568,661.88 is: 11,825,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536,621.16 : 21,441,814.13 = 8,568,661.88 : x
  2. Step 2: Convert to fraction form
    15,536,621.16/21,441,814.13 = 8,568,661.88/x
  3. Step 3: Cross multiply
    15,536,621.16x = 21,441,814.13 × 8,568,661.88
  4. Step 4: Simplify right side
    15,536,621.16x = 183,727,655,266,567.28
  5. Step 5: Solve for x
    x = 183,727,655,266,567.28/15,536,621.16
  6. Step 6: Final answer
    x = 11,825,457.63

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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.