Home / 12,029,412.96-18,038,149.56-3,830,986.80

Finding the Fourth Proportional to 12,029,412.96, 18,038,149.56 and 3,830,986.80

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Solution

The fourth proportional to 12,029,412.96, 18,038,149.56 and 3,830,986.80 is: 5,744,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,412.96 : 18,038,149.56 = 3,830,986.80 : x
  2. Step 2: Convert to fraction form
    12,029,412.96/18,038,149.56 = 3,830,986.80/x
  3. Step 3: Cross multiply
    12,029,412.96x = 18,038,149.56 × 3,830,986.80
  4. Step 4: Simplify right side
    12,029,412.96x = 69,103,912,860,785.80
  5. Step 5: Solve for x
    x = 69,103,912,860,785.80/12,029,412.96
  6. Step 6: Final answer
    x = 5,744,578.98

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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.