Home / 30,474,369.44-42,055,843.92-16,723,826.72

Finding the Fourth Proportional to 30,474,369.44, 42,055,843.92 and 16,723,826.72

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Solution

The fourth proportional to 30,474,369.44, 42,055,843.92 and 16,723,826.72 is: 23,079,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474,369.44 : 42,055,843.92 = 16,723,826.72 : x
  2. Step 2: Convert to fraction form
    30,474,369.44/42,055,843.92 = 16,723,826.72/x
  3. Step 3: Cross multiply
    30,474,369.44x = 42,055,843.92 × 16,723,826.72
  4. Step 4: Simplify right side
    30,474,369.44x = 703,334,646,281,445.62
  5. Step 5: Solve for x
    x = 703,334,646,281,445.62/30,474,369.44
  6. Step 6: Final answer
    x = 23,079,547.15

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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.