Home / 6,642,769.90-9,964,154.85-6,579,784.30

Finding the Fourth Proportional to 6,642,769.90, 9,964,154.85 and 6,579,784.30

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Solution

The fourth proportional to 6,642,769.90, 9,964,154.85 and 6,579,784.30 is: 9,869,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,769.90 : 9,964,154.85 = 6,579,784.30 : x
  2. Step 2: Convert to fraction form
    6,642,769.90/9,964,154.85 = 6,579,784.30/x
  3. Step 3: Cross multiply
    6,642,769.90x = 9,964,154.85 × 6,579,784.30
  4. Step 4: Simplify right side
    6,642,769.90x = 65,561,989,644,798.85
  5. Step 5: Solve for x
    x = 65,561,989,644,798.85/6,642,769.90
  6. Step 6: Final answer
    x = 9,869,676.45

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Double scale
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Similar ratio
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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.