Home / 15,115,786.20-22,673,679.30-12,423,151.80

Finding the Fourth Proportional to 15,115,786.20, 22,673,679.30 and 12,423,151.80

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Solution

The fourth proportional to 15,115,786.20, 22,673,679.30 and 12,423,151.80 is: 18,634,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,786.20 : 22,673,679.30 = 12,423,151.80 : x
  2. Step 2: Convert to fraction form
    15,115,786.20/22,673,679.30 = 12,423,151.80/x
  3. Step 3: Cross multiply
    15,115,786.20x = 22,673,679.30 × 12,423,151.80
  4. Step 4: Simplify right side
    15,115,786.20x = 281,678,559,808,417.75
  5. Step 5: Solve for x
    x = 281,678,559,808,417.75/15,115,786.20
  6. Step 6: Final answer
    x = 18,634,727.70

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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.