Home / 7,692,775.20-11,540,199.60-2,645,632.80

Finding the Fourth Proportional to 7,692,775.20, 11,540,199.60 and 2,645,632.80

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Solution

The fourth proportional to 7,692,775.20, 11,540,199.60 and 2,645,632.80 is: 3,968,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692,775.20 : 11,540,199.60 = 2,645,632.80 : x
  2. Step 2: Convert to fraction form
    7,692,775.20/11,540,199.60 = 2,645,632.80/x
  3. Step 3: Cross multiply
    7,692,775.20x = 11,540,199.60 × 2,645,632.80
  4. Step 4: Simplify right side
    7,692,775.20x = 30,531,130,580,306.88
  5. Step 5: Solve for x
    x = 30,531,130,580,306.88/7,692,775.20
  6. Step 6: Final answer
    x = 3,968,805.77

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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.