Home / 11,178,020.20-16,767,030.30-3,989,788.60

Finding the Fourth Proportional to 11,178,020.20, 16,767,030.30 and 3,989,788.60

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Solution

The fourth proportional to 11,178,020.20, 16,767,030.30 and 3,989,788.60 is: 5,984,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,020.20 : 16,767,030.30 = 3,989,788.60 : x
  2. Step 2: Convert to fraction form
    11,178,020.20/16,767,030.30 = 3,989,788.60/x
  3. Step 3: Cross multiply
    11,178,020.20x = 16,767,030.30 × 3,989,788.60
  4. Step 4: Simplify right side
    11,178,020.20x = 66,896,906,346,794.59
  5. Step 5: Solve for x
    x = 66,896,906,346,794.59/11,178,020.20
  6. Step 6: Final answer
    x = 5,984,682.90

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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.