Home / 31,473,371.52-47,182,049.64-12,299,768.64

Finding the Fourth Proportional to 31,473,371.52, 47,182,049.64 and 12,299,768.64

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Solution

The fourth proportional to 31,473,371.52, 47,182,049.64 and 12,299,768.64 is: 18,438,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473,371.52 : 47,182,049.64 = 12,299,768.64 : x
  2. Step 2: Convert to fraction form
    31,473,371.52/47,182,049.64 = 12,299,768.64/x
  3. Step 3: Cross multiply
    31,473,371.52x = 47,182,049.64 × 12,299,768.64
  4. Step 4: Simplify right side
    31,473,371.52x = 580,328,294,532,995.38
  5. Step 5: Solve for x
    x = 580,328,294,532,995.38/31,473,371.52
  6. Step 6: Final answer
    x = 18,438,707.60

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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.