Home / 36,085,531.20-54,128,296.80-9,159,187.20

Finding the Fourth Proportional to 36,085,531.20, 54,128,296.80 and 9,159,187.20

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Solution

The fourth proportional to 36,085,531.20, 54,128,296.80 and 9,159,187.20 is: 13,738,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085,531.20 : 54,128,296.80 = 9,159,187.20 : x
  2. Step 2: Convert to fraction form
    36,085,531.20/54,128,296.80 = 9,159,187.20/x
  3. Step 3: Cross multiply
    36,085,531.20x = 54,128,296.80 × 9,159,187.20
  4. Step 4: Simplify right side
    36,085,531.20x = 495,771,203,208,360.88
  5. Step 5: Solve for x
    x = 495,771,203,208,360.88/36,085,531.20
  6. Step 6: Final answer
    x = 13,738,780.80

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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.