Home / 31,678,031.22-47,539,709.04-13,494,963.30

Finding the Fourth Proportional to 31,678,031.22, 47,539,709.04 and 13,494,963.30

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Solution

The fourth proportional to 31,678,031.22, 47,539,709.04 and 13,494,963.30 is: 20,252,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,678,031.22 : 47,539,709.04 = 13,494,963.30 : x
  2. Step 2: Convert to fraction form
    31,678,031.22/47,539,709.04 = 13,494,963.30/x
  3. Step 3: Cross multiply
    31,678,031.22x = 47,539,709.04 × 13,494,963.30
  4. Step 4: Simplify right side
    31,678,031.22x = 641,546,628,787,478.25
  5. Step 5: Solve for x
    x = 641,546,628,787,478.25/31,678,031.22
  6. Step 6: Final answer
    x = 20,252,099.14

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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.