Home / 8,679,925.48-13,018,108.38-3,286,715.88

Finding the Fourth Proportional to 8,679,925.48, 13,018,108.38 and 3,286,715.88

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Solution

The fourth proportional to 8,679,925.48, 13,018,108.38 and 3,286,715.88 is: 4,929,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,925.48 : 13,018,108.38 = 3,286,715.88 : x
  2. Step 2: Convert to fraction form
    8,679,925.48/13,018,108.38 = 3,286,715.88/x
  3. Step 3: Cross multiply
    8,679,925.48x = 13,018,108.38 × 3,286,715.88
  4. Step 4: Simplify right side
    8,679,925.48x = 42,786,823,540,107.08
  5. Step 5: Solve for x
    x = 42,786,823,540,107.08/8,679,925.48
  6. Step 6: Final answer
    x = 4,929,399.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.