Home / 36,861,208.40-55,221,310.20-19,816,216.40

Finding the Fourth Proportional to 36,861,208.40, 55,221,310.20 and 19,816,216.40

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Solution

The fourth proportional to 36,861,208.40, 55,221,310.20 and 19,816,216.40 is: 29,686,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861,208.40 : 55,221,310.20 = 19,816,216.40 : x
  2. Step 2: Convert to fraction form
    36,861,208.40/55,221,310.20 = 19,816,216.40/x
  3. Step 3: Cross multiply
    36,861,208.40x = 55,221,310.20 × 19,816,216.40
  4. Step 4: Simplify right side
    36,861,208.40x = 1,094,277,432,814,727.25
  5. Step 5: Solve for x
    x = 1,094,277,432,814,727.25/36,861,208.40
  6. Step 6: Final answer
    x = 29,686,423.22

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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.