Home / 29,042,910.80-43,564,366.20-7,767,774.80

Finding the Fourth Proportional to 29,042,910.80, 43,564,366.20 and 7,767,774.80

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Solution

The fourth proportional to 29,042,910.80, 43,564,366.20 and 7,767,774.80 is: 11,651,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042,910.80 : 43,564,366.20 = 7,767,774.80 : x
  2. Step 2: Convert to fraction form
    29,042,910.80/43,564,366.20 = 7,767,774.80/x
  3. Step 3: Cross multiply
    29,042,910.80x = 43,564,366.20 × 7,767,774.80
  4. Step 4: Simplify right side
    29,042,910.80x = 338,398,185,946,331.75
  5. Step 5: Solve for x
    x = 338,398,185,946,331.75/29,042,910.80
  6. Step 6: Final answer
    x = 11,651,662.20

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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.