Home / 15,344,176.28-21,174,858.90-8,468,658.20

Finding the Fourth Proportional to 15,344,176.28, 21,174,858.90 and 8,468,658.20

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Solution

The fourth proportional to 15,344,176.28, 21,174,858.90 and 8,468,658.20 is: 11,686,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,176.28 : 21,174,858.90 = 8,468,658.20 : x
  2. Step 2: Convert to fraction form
    15,344,176.28/21,174,858.90 = 8,468,658.20/x
  3. Step 3: Cross multiply
    15,344,176.28x = 21,174,858.90 × 8,468,658.20
  4. Step 4: Simplify right side
    15,344,176.28x = 179,322,642,457,327.94
  5. Step 5: Solve for x
    x = 179,322,642,457,327.94/15,344,176.28
  6. Step 6: Final answer
    x = 11,686,690.71

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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.