Home / 28,551,640.56-42,843,658.50-15,420,896.04

Finding the Fourth Proportional to 28,551,640.56, 42,843,658.50 and 15,420,896.04

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Solution

The fourth proportional to 28,551,640.56, 42,843,658.50 and 15,420,896.04 is: 23,140,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,640.56 : 42,843,658.50 = 15,420,896.04 : x
  2. Step 2: Convert to fraction form
    28,551,640.56/42,843,658.50 = 15,420,896.04/x
  3. Step 3: Cross multiply
    28,551,640.56x = 42,843,658.50 × 15,420,896.04
  4. Step 4: Simplify right side
    28,551,640.56x = 660,687,603,701,762.25
  5. Step 5: Solve for x
    x = 660,687,603,701,762.25/28,551,640.56
  6. Step 6: Final answer
    x = 23,140,092.50

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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.