Home / 6,642,756.90-9,964,135.35-6,579,771.30

Finding the Fourth Proportional to 6,642,756.90, 9,964,135.35 and 6,579,771.30

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Solution

The fourth proportional to 6,642,756.90, 9,964,135.35 and 6,579,771.30 is: 9,869,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,756.90 : 9,964,135.35 = 6,579,771.30 : x
  2. Step 2: Convert to fraction form
    6,642,756.90/9,964,135.35 = 6,579,771.30/x
  3. Step 3: Cross multiply
    6,642,756.90x = 9,964,135.35 × 6,579,771.30
  4. Step 4: Simplify right side
    6,642,756.90x = 65,561,731,805,245.45
  5. Step 5: Solve for x
    x = 65,561,731,805,245.45/6,642,756.90
  6. Step 6: Final answer
    x = 9,869,656.95

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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.