Home / 31,584,221.40-47,388,773.70-12,411,715.80

Finding the Fourth Proportional to 31,584,221.40, 47,388,773.70 and 12,411,715.80

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Solution

The fourth proportional to 31,584,221.40, 47,388,773.70 and 12,411,715.80 is: 18,622,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,221.40 : 47,388,773.70 = 12,411,715.80 : x
  2. Step 2: Convert to fraction form
    31,584,221.40/47,388,773.70 = 12,411,715.80/x
  3. Step 3: Cross multiply
    31,584,221.40x = 47,388,773.70 × 12,411,715.80
  4. Step 4: Simplify right side
    31,584,221.40x = 588,175,991,274,914.50
  5. Step 5: Solve for x
    x = 588,175,991,274,914.50/31,584,221.40
  6. Step 6: Final answer
    x = 18,622,462.90

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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.