Home / 36,207,239.40-54,240,000.30-21,787,473.60

Finding the Fourth Proportional to 36,207,239.40, 54,240,000.30 and 21,787,473.60

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Solution

The fourth proportional to 36,207,239.40, 54,240,000.30 and 21,787,473.60 is: 32,638,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207,239.40 : 54,240,000.30 = 21,787,473.60 : x
  2. Step 2: Convert to fraction form
    36,207,239.40/54,240,000.30 = 21,787,473.60/x
  3. Step 3: Cross multiply
    36,207,239.40x = 54,240,000.30 × 21,787,473.60
  4. Step 4: Simplify right side
    36,207,239.40x = 1,181,752,574,600,242
  5. Step 5: Solve for x
    x = 1,181,752,574,600,242/36,207,239.40
  6. Step 6: Final answer
    x = 32,638,571.57

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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.