Home / 31,571,567.10-47,347,509.15-12,408,198.30

Finding the Fourth Proportional to 31,571,567.10, 47,347,509.15 and 12,408,198.30

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Solution

The fourth proportional to 31,571,567.10, 47,347,509.15 and 12,408,198.30 is: 18,608,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571,567.10 : 47,347,509.15 = 12,408,198.30 : x
  2. Step 2: Convert to fraction form
    31,571,567.10/47,347,509.15 = 12,408,198.30/x
  3. Step 3: Cross multiply
    31,571,567.10x = 47,347,509.15 × 12,408,198.30
  4. Step 4: Simplify right side
    31,571,567.10x = 587,497,282,544,264.50
  5. Step 5: Solve for x
    x = 587,497,282,544,264.50/31,571,567.10
  6. Step 6: Final answer
    x = 18,608,429.56

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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.