Home / 7,692,282.20-11,539,460.10-2,645,139.80

Finding the Fourth Proportional to 7,692,282.20, 11,539,460.10 and 2,645,139.80

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Solution

The fourth proportional to 7,692,282.20, 11,539,460.10 and 2,645,139.80 is: 3,968,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692,282.20 : 11,539,460.10 = 2,645,139.80 : x
  2. Step 2: Convert to fraction form
    7,692,282.20/11,539,460.10 = 2,645,139.80/x
  3. Step 3: Cross multiply
    7,692,282.20x = 11,539,460.10 × 2,645,139.80
  4. Step 4: Simplify right side
    7,692,282.20x = 30,523,485,181,021.98
  5. Step 5: Solve for x
    x = 30,523,485,181,021.98/7,692,282.20
  6. Step 6: Final answer
    x = 3,968,066.22

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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.