Home / 11,178,020.40-16,767,030.60-3,989,788.80

Finding the Fourth Proportional to 11,178,020.40, 16,767,030.60 and 3,989,788.80

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Solution

The fourth proportional to 11,178,020.40, 16,767,030.60 and 3,989,788.80 is: 5,984,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,020.40 : 16,767,030.60 = 3,989,788.80 : x
  2. Step 2: Convert to fraction form
    11,178,020.40/16,767,030.60 = 3,989,788.80/x
  3. Step 3: Cross multiply
    11,178,020.40x = 16,767,030.60 × 3,989,788.80
  4. Step 4: Simplify right side
    11,178,020.40x = 66,896,910,897,137.27
  5. Step 5: Solve for x
    x = 66,896,910,897,137.27/11,178,020.40
  6. Step 6: Final answer
    x = 5,984,683.20

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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.