Home / 28,128,439.61-42,194,292.33-10,856,736.49

Finding the Fourth Proportional to 28,128,439.61, 42,194,292.33 and 10,856,736.49

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Solution

The fourth proportional to 28,128,439.61, 42,194,292.33 and 10,856,736.49 is: 16,285,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,439.61 : 42,194,292.33 = 10,856,736.49 : x
  2. Step 2: Convert to fraction form
    28,128,439.61/42,194,292.33 = 10,856,736.49/x
  3. Step 3: Cross multiply
    28,128,439.61x = 42,194,292.33 × 10,856,736.49
  4. Step 4: Simplify right side
    28,128,439.61x = 458,092,313,208,838.12
  5. Step 5: Solve for x
    x = 458,092,313,208,838.12/28,128,439.61
  6. Step 6: Final answer
    x = 16,285,734.99

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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.