Home / 12,651,463.92-17,445,970.44-10,821,978.48

Finding the Fourth Proportional to 12,651,463.92, 17,445,970.44 and 10,821,978.48

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Solution

The fourth proportional to 12,651,463.92, 17,445,970.44 and 10,821,978.48 is: 14,923,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,463.92 : 17,445,970.44 = 10,821,978.48 : x
  2. Step 2: Convert to fraction form
    12,651,463.92/17,445,970.44 = 10,821,978.48/x
  3. Step 3: Cross multiply
    12,651,463.92x = 17,445,970.44 × 10,821,978.48
  4. Step 4: Simplify right side
    12,651,463.92x = 188,799,916,664,396.16
  5. Step 5: Solve for x
    x = 188,799,916,664,396.16/12,651,463.92
  6. Step 6: Final answer
    x = 14,923,167.62

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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.