Home / 6,642,740.90-9,964,111.35-6,579,755.30

Finding the Fourth Proportional to 6,642,740.90, 9,964,111.35 and 6,579,755.30

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Solution

The fourth proportional to 6,642,740.90, 9,964,111.35 and 6,579,755.30 is: 9,869,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,740.90 : 9,964,111.35 = 6,579,755.30 : x
  2. Step 2: Convert to fraction form
    6,642,740.90/9,964,111.35 = 6,579,755.30/x
  3. Step 3: Cross multiply
    6,642,740.90x = 9,964,111.35 × 6,579,755.30
  4. Step 4: Simplify right side
    6,642,740.90x = 65,561,414,464,952.65
  5. Step 5: Solve for x
    x = 65,561,414,464,952.65/6,642,740.90
  6. Step 6: Final answer
    x = 9,869,632.95

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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.