Home / 6,642,000.90-9,963,001.35-4,374,519.30

Finding the Fourth Proportional to 6,642,000.90, 9,963,001.35 and 4,374,519.30

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Solution

The fourth proportional to 6,642,000.90, 9,963,001.35 and 4,374,519.30 is: 6,561,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,000.90 : 9,963,001.35 = 4,374,519.30 : x
  2. Step 2: Convert to fraction form
    6,642,000.90/9,963,001.35 = 4,374,519.30/x
  3. Step 3: Cross multiply
    6,642,000.90x = 9,963,001.35 × 4,374,519.30
  4. Step 4: Simplify right side
    6,642,000.90x = 43,583,341,691,501.05
  5. Step 5: Solve for x
    x = 43,583,341,691,501.05/6,642,000.90
  6. Step 6: Final answer
    x = 6,561,778.95

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1.5x scale

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.