Home / 21,375,710.40-32,083,610.40-11,285,572.80

Finding the Fourth Proportional to 21,375,710.40, 32,083,610.40 and 11,285,572.80

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Solution

The fourth proportional to 21,375,710.40, 32,083,610.40 and 11,285,572.80 is: 16,938,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,710.40 : 32,083,610.40 = 11,285,572.80 : x
  2. Step 2: Convert to fraction form
    21,375,710.40/32,083,610.40 = 11,285,572.80/x
  3. Step 3: Cross multiply
    21,375,710.40x = 32,083,610.40 × 11,285,572.80
  4. Step 4: Simplify right side
    21,375,710.40x = 362,081,920,856,037.12
  5. Step 5: Solve for x
    x = 362,081,920,856,037.12/21,375,710.40
  6. Step 6: Final answer
    x = 16,938,942.10

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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.