Home / 31,104,139.40-46,656,209.10-8,384,222.60

Finding the Fourth Proportional to 31,104,139.40, 46,656,209.10 and 8,384,222.60

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Solution

The fourth proportional to 31,104,139.40, 46,656,209.10 and 8,384,222.60 is: 12,576,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,139.40 : 46,656,209.10 = 8,384,222.60 : x
  2. Step 2: Convert to fraction form
    31,104,139.40/46,656,209.10 = 8,384,222.60/x
  3. Step 3: Cross multiply
    31,104,139.40x = 46,656,209.10 × 8,384,222.60
  4. Step 4: Simplify right side
    31,104,139.40x = 391,176,042,766,545.62
  5. Step 5: Solve for x
    x = 391,176,042,766,545.62/31,104,139.40
  6. Step 6: Final answer
    x = 12,576,333.90

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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.