Home / 21,782,057.10-32,673,085.65-20,790,033.90

Finding the Fourth Proportional to 21,782,057.10, 32,673,085.65 and 20,790,033.90

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Solution

The fourth proportional to 21,782,057.10, 32,673,085.65 and 20,790,033.90 is: 31,185,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,057.10 : 32,673,085.65 = 20,790,033.90 : x
  2. Step 2: Convert to fraction form
    21,782,057.10/32,673,085.65 = 20,790,033.90/x
  3. Step 3: Cross multiply
    21,782,057.10x = 32,673,085.65 × 20,790,033.90
  4. Step 4: Simplify right side
    21,782,057.10x = 679,274,558,281,103.50
  5. Step 5: Solve for x
    x = 679,274,558,281,103.50/21,782,057.10
  6. Step 6: Final answer
    x = 31,185,050.85

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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.