Home / 28,128,441.61-42,194,295.33-10,856,738.49

Finding the Fourth Proportional to 28,128,441.61, 42,194,295.33 and 10,856,738.49

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Solution

The fourth proportional to 28,128,441.61, 42,194,295.33 and 10,856,738.49 is: 16,285,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,441.61 : 42,194,295.33 = 10,856,738.49 : x
  2. Step 2: Convert to fraction form
    28,128,441.61/42,194,295.33 = 10,856,738.49/x
  3. Step 3: Cross multiply
    28,128,441.61x = 42,194,295.33 × 10,856,738.49
  4. Step 4: Simplify right side
    28,128,441.61x = 458,092,430,167,638.25
  5. Step 5: Solve for x
    x = 458,092,430,167,638.25/28,128,441.61
  6. Step 6: Final answer
    x = 16,285,737.99

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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.