Home / 53,173,704.32-79,760,557.12-12,784,188.48

Finding the Fourth Proportional to 53,173,704.32, 79,760,557.12 and 12,784,188.48

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Solution

The fourth proportional to 53,173,704.32, 79,760,557.12 and 12,784,188.48 is: 19,176,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173,704.32 : 79,760,557.12 = 12,784,188.48 : x
  2. Step 2: Convert to fraction form
    53,173,704.32/79,760,557.12 = 12,784,188.48/x
  3. Step 3: Cross multiply
    53,173,704.32x = 79,760,557.12 × 12,784,188.48
  4. Step 4: Simplify right side
    53,173,704.32x = 1,019,673,995,491,886.12
  5. Step 5: Solve for x
    x = 1,019,673,995,491,886.12/53,173,704.32
  6. Step 6: Final answer
    x = 19,176,282.87

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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.