Home / 38,647,808.20-57,971,712.30-18,492,416.20

Finding the Fourth Proportional to 38,647,808.20, 57,971,712.30 and 18,492,416.20

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Solution

The fourth proportional to 38,647,808.20, 57,971,712.30 and 18,492,416.20 is: 27,738,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,808.20 : 57,971,712.30 = 18,492,416.20 : x
  2. Step 2: Convert to fraction form
    38,647,808.20/57,971,712.30 = 18,492,416.20/x
  3. Step 3: Cross multiply
    38,647,808.20x = 57,971,712.30 × 18,492,416.20
  4. Step 4: Simplify right side
    38,647,808.20x = 1,072,037,031,678,259.12
  5. Step 5: Solve for x
    x = 1,072,037,031,678,259.12/38,647,808.20
  6. Step 6: Final answer
    x = 27,738,624.30

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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.