Home / 40,899,324.80-61,348,987.20-12,149,897.60

Finding the Fourth Proportional to 40,899,324.80, 61,348,987.20 and 12,149,897.60

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Solution

The fourth proportional to 40,899,324.80, 61,348,987.20 and 12,149,897.60 is: 18,224,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899,324.80 : 61,348,987.20 = 12,149,897.60 : x
  2. Step 2: Convert to fraction form
    40,899,324.80/61,348,987.20 = 12,149,897.60/x
  3. Step 3: Cross multiply
    40,899,324.80x = 61,348,987.20 × 12,149,897.60
  4. Step 4: Simplify right side
    40,899,324.80x = 745,383,912,343,710.75
  5. Step 5: Solve for x
    x = 745,383,912,343,710.75/40,899,324.80
  6. Step 6: Final answer
    x = 18,224,846.40

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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.