Home / 15,224,243.92-21,009,745.32-8,348,315.92

Finding the Fourth Proportional to 15,224,243.92, 21,009,745.32 and 8,348,315.92

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Solution

The fourth proportional to 15,224,243.92, 21,009,745.32 and 8,348,315.92 is: 11,520,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,243.92 : 21,009,745.32 = 8,348,315.92 : x
  2. Step 2: Convert to fraction form
    15,224,243.92/21,009,745.32 = 8,348,315.92/x
  3. Step 3: Cross multiply
    15,224,243.92x = 21,009,745.32 × 8,348,315.92
  4. Step 4: Simplify right side
    15,224,243.92x = 175,395,991,330,101.50
  5. Step 5: Solve for x
    x = 175,395,991,330,101.50/15,224,243.92
  6. Step 6: Final answer
    x = 11,520,834.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.