Home / 31,584,299.40-47,388,890.70-12,411,793.80

Finding the Fourth Proportional to 31,584,299.40, 47,388,890.70 and 12,411,793.80

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Solution

The fourth proportional to 31,584,299.40, 47,388,890.70 and 12,411,793.80 is: 18,622,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,299.40 : 47,388,890.70 = 12,411,793.80 : x
  2. Step 2: Convert to fraction form
    31,584,299.40/47,388,890.70 = 12,411,793.80/x
  3. Step 3: Cross multiply
    31,584,299.40x = 47,388,890.70 × 12,411,793.80
  4. Step 4: Simplify right side
    31,584,299.40x = 588,181,139,779,137.75
  5. Step 5: Solve for x
    x = 588,181,139,779,137.75/31,584,299.40
  6. Step 6: Final answer
    x = 18,622,579.92

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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.