Home / 12,484,640.20-18,732,209.10-6,808,937.80

Finding the Fourth Proportional to 12,484,640.20, 18,732,209.10 and 6,808,937.80

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Solution

The fourth proportional to 12,484,640.20, 18,732,209.10 and 6,808,937.80 is: 10,216,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,640.20 : 18,732,209.10 = 6,808,937.80 : x
  2. Step 2: Convert to fraction form
    12,484,640.20/18,732,209.10 = 6,808,937.80/x
  3. Step 3: Cross multiply
    12,484,640.20x = 18,732,209.10 × 6,808,937.80
  4. Step 4: Simplify right side
    12,484,640.20x = 127,546,446,618,493.98
  5. Step 5: Solve for x
    x = 127,546,446,618,493.98/12,484,640.20
  6. Step 6: Final answer
    x = 10,216,269.32

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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.