Home / 31,507,040.30-47,260,560.45-12,331,424.30

Finding the Fourth Proportional to 31,507,040.30, 47,260,560.45 and 12,331,424.30

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Solution

The fourth proportional to 31,507,040.30, 47,260,560.45 and 12,331,424.30 is: 18,497,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,040.30 : 47,260,560.45 = 12,331,424.30 : x
  2. Step 2: Convert to fraction form
    31,507,040.30/47,260,560.45 = 12,331,424.30/x
  3. Step 3: Cross multiply
    31,507,040.30x = 47,260,560.45 × 12,331,424.30
  4. Step 4: Simplify right side
    31,507,040.30x = 582,790,023,564,749
  5. Step 5: Solve for x
    x = 582,790,023,564,749/31,507,040.30
  6. Step 6: Final answer
    x = 18,497,136.45

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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.