Home / 15,818,468.64-21,828,638.88-8,942,540.64

Finding the Fourth Proportional to 15,818,468.64, 21,828,638.88 and 8,942,540.64

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Solution

The fourth proportional to 15,818,468.64, 21,828,638.88 and 8,942,540.64 is: 12,340,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818,468.64 : 21,828,638.88 = 8,942,540.64 : x
  2. Step 2: Convert to fraction form
    15,818,468.64/21,828,638.88 = 8,942,540.64/x
  3. Step 3: Cross multiply
    15,818,468.64x = 21,828,638.88 × 8,942,540.64
  4. Step 4: Simplify right side
    15,818,468.64x = 195,203,490,300,284.09
  5. Step 5: Solve for x
    x = 195,203,490,300,284.09/15,818,468.64
  6. Step 6: Final answer
    x = 12,340,226.78

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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.