Home / 15,531,904.37-21,434,757.83-8,656,435.64

Finding the Fourth Proportional to 15,531,904.37, 21,434,757.83 and 8,656,435.64

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Solution

The fourth proportional to 15,531,904.37, 21,434,757.83 and 8,656,435.64 is: 11,946,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531,904.37 : 21,434,757.83 = 8,656,435.64 : x
  2. Step 2: Convert to fraction form
    15,531,904.37/21,434,757.83 = 8,656,435.64/x
  3. Step 3: Cross multiply
    15,531,904.37x = 21,434,757.83 × 8,656,435.64
  4. Step 4: Simplify right side
    15,531,904.37x = 185,548,601,463,925.09
  5. Step 5: Solve for x
    x = 185,548,601,463,925.09/15,531,904.37
  6. Step 6: Final answer
    x = 11,946,287.92

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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.