Home / 21,876,844.60-32,815,266.90-6,728,807.80

Finding the Fourth Proportional to 21,876,844.60, 32,815,266.90 and 6,728,807.80

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Solution

The fourth proportional to 21,876,844.60, 32,815,266.90 and 6,728,807.80 is: 10,093,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876,844.60 : 32,815,266.90 = 6,728,807.80 : x
  2. Step 2: Convert to fraction form
    21,876,844.60/32,815,266.90 = 6,728,807.80/x
  3. Step 3: Cross multiply
    21,876,844.60x = 32,815,266.90 × 6,728,807.80
  4. Step 4: Simplify right side
    21,876,844.60x = 220,807,623,875,801.81
  5. Step 5: Solve for x
    x = 220,807,623,875,801.81/21,876,844.60
  6. Step 6: Final answer
    x = 10,093,211.70

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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.