Home / 14,900,487.84-20,564,378.42-8,285,736.78

Finding the Fourth Proportional to 14,900,487.84, 20,564,378.42 and 8,285,736.78

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Solution

The fourth proportional to 14,900,487.84, 20,564,378.42 and 8,285,736.78 is: 11,435,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900,487.84 : 20,564,378.42 = 8,285,736.78 : x
  2. Step 2: Convert to fraction form
    14,900,487.84/20,564,378.42 = 8,285,736.78/x
  3. Step 3: Cross multiply
    14,900,487.84x = 20,564,378.42 × 8,285,736.78
  4. Step 4: Simplify right side
    14,900,487.84x = 170,391,026,591,003.59
  5. Step 5: Solve for x
    x = 170,391,026,591,003.59/14,900,487.84
  6. Step 6: Final answer
    x = 11,435,264.97

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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.