Home / 21,251,882.52-29,326,728.78-12,552,871.32

Finding the Fourth Proportional to 21,251,882.52, 29,326,728.78 and 12,552,871.32

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Solution

The fourth proportional to 21,251,882.52, 29,326,728.78 and 12,552,871.32 is: 17,322,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251,882.52 : 29,326,728.78 = 12,552,871.32 : x
  2. Step 2: Convert to fraction form
    21,251,882.52/29,326,728.78 = 12,552,871.32/x
  3. Step 3: Cross multiply
    21,251,882.52x = 29,326,728.78 × 12,552,871.32
  4. Step 4: Simplify right side
    21,251,882.52x = 368,134,652,611,880.62
  5. Step 5: Solve for x
    x = 368,134,652,611,880.62/21,251,882.52
  6. Step 6: Final answer
    x = 17,322,449.07

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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.