Home / 31,398,048.23-47,099,314.36-8,368,862.11

Finding the Fourth Proportional to 31,398,048.23, 47,099,314.36 and 8,368,862.11

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Solution

The fourth proportional to 31,398,048.23, 47,099,314.36 and 8,368,862.11 is: 12,553,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398,048.23 : 47,099,314.36 = 8,368,862.11 : x
  2. Step 2: Convert to fraction form
    31,398,048.23/47,099,314.36 = 8,368,862.11/x
  3. Step 3: Cross multiply
    31,398,048.23x = 47,099,314.36 × 8,368,862.11
  4. Step 4: Simplify right side
    31,398,048.23x = 394,167,667,312,538.56
  5. Step 5: Solve for x
    x = 394,167,667,312,538.56/31,398,048.23
  6. Step 6: Final answer
    x = 12,553,890.75

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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.