Home / 19,670,616.80-29,524,587.60-12,112,344.80

Finding the Fourth Proportional to 19,670,616.80, 29,524,587.60 and 12,112,344.80

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Solution

The fourth proportional to 19,670,616.80, 29,524,587.60 and 12,112,344.80 is: 18,180,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670,616.80 : 29,524,587.60 = 12,112,344.80 : x
  2. Step 2: Convert to fraction form
    19,670,616.80/29,524,587.60 = 12,112,344.80/x
  3. Step 3: Cross multiply
    19,670,616.80x = 29,524,587.60 × 12,112,344.80
  4. Step 4: Simplify right side
    19,670,616.80x = 357,611,985,089,004.50
  5. Step 5: Solve for x
    x = 357,611,985,089,004.50/19,670,616.80
  6. Step 6: Final answer
    x = 18,180,008.73

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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.