Home / 17,769,640.80-26,654,461.20-4,990,562.40

Finding the Fourth Proportional to 17,769,640.80, 26,654,461.20 and 4,990,562.40

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Solution

The fourth proportional to 17,769,640.80, 26,654,461.20 and 4,990,562.40 is: 7,485,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769,640.80 : 26,654,461.20 = 4,990,562.40 : x
  2. Step 2: Convert to fraction form
    17,769,640.80/26,654,461.20 = 4,990,562.40/x
  3. Step 3: Cross multiply
    17,769,640.80x = 26,654,461.20 × 4,990,562.40
  4. Step 4: Simplify right side
    17,769,640.80x = 133,020,751,856,978.89
  5. Step 5: Solve for x
    x = 133,020,751,856,978.89/17,769,640.80
  6. Step 6: Final answer
    x = 7,485,843.60

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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.