Home / 11,143,530.40-16,690,412.40-8,599,223.20

Finding the Fourth Proportional to 11,143,530.40, 16,690,412.40 and 8,599,223.20

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Solution

The fourth proportional to 11,143,530.40, 16,690,412.40 and 8,599,223.20 is: 12,879,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143,530.40 : 16,690,412.40 = 8,599,223.20 : x
  2. Step 2: Convert to fraction form
    11,143,530.40/16,690,412.40 = 8,599,223.20/x
  3. Step 3: Cross multiply
    11,143,530.40x = 16,690,412.40 × 8,599,223.20
  4. Step 4: Simplify right side
    11,143,530.40x = 143,524,581,527,647.66
  5. Step 5: Solve for x
    x = 143,524,581,527,647.66/11,143,530.40
  6. Step 6: Final answer
    x = 12,879,632.97

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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.