Home / 27,851,898.30-41,777,847.45-21,805,280.70

Finding the Fourth Proportional to 27,851,898.30, 41,777,847.45 and 21,805,280.70

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Solution

The fourth proportional to 27,851,898.30, 41,777,847.45 and 21,805,280.70 is: 32,707,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851,898.30 : 41,777,847.45 = 21,805,280.70 : x
  2. Step 2: Convert to fraction form
    27,851,898.30/41,777,847.45 = 21,805,280.70/x
  3. Step 3: Cross multiply
    27,851,898.30x = 41,777,847.45 × 21,805,280.70
  4. Step 4: Simplify right side
    27,851,898.30x = 910,977,690,689,029.25
  5. Step 5: Solve for x
    x = 910,977,690,689,029.25/27,851,898.30
  6. Step 6: Final answer
    x = 32,707,921.05

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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.