Home / 15,942,361.60-23,917,336.96-5,159,662.45

Finding the Fourth Proportional to 15,942,361.60, 23,917,336.96 and 5,159,662.45

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Solution

The fourth proportional to 15,942,361.60, 23,917,336.96 and 5,159,662.45 is: 7,740,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,361.60 : 23,917,336.96 = 5,159,662.45 : x
  2. Step 2: Convert to fraction form
    15,942,361.60/23,917,336.96 = 5,159,662.45/x
  3. Step 3: Cross multiply
    15,942,361.60x = 23,917,336.96 × 5,159,662.45
  4. Step 4: Simplify right side
    15,942,361.60x = 123,405,385,416,509.16
  5. Step 5: Solve for x
    x = 123,405,385,416,509.16/15,942,361.60
  6. Step 6: Final answer
    x = 7,740,721.76

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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.