Home / 7,885,738.80-11,828,608.20-3,634,210.80

Finding the Fourth Proportional to 7,885,738.80, 11,828,608.20 and 3,634,210.80

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Solution

The fourth proportional to 7,885,738.80, 11,828,608.20 and 3,634,210.80 is: 5,451,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,738.80 : 11,828,608.20 = 3,634,210.80 : x
  2. Step 2: Convert to fraction form
    7,885,738.80/11,828,608.20 = 3,634,210.80/x
  3. Step 3: Cross multiply
    7,885,738.80x = 11,828,608.20 × 3,634,210.80
  4. Step 4: Simplify right side
    7,885,738.80x = 42,987,655,669,408.55
  5. Step 5: Solve for x
    x = 42,987,655,669,408.55/7,885,738.80
  6. Step 6: Final answer
    x = 5,451,316.20

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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.