Home / 8,720,937.80-13,081,406.70-5,361,705.80

Finding the Fourth Proportional to 8,720,937.80, 13,081,406.70 and 5,361,705.80

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Solution

The fourth proportional to 8,720,937.80, 13,081,406.70 and 5,361,705.80 is: 8,042,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,937.80 : 13,081,406.70 = 5,361,705.80 : x
  2. Step 2: Convert to fraction form
    8,720,937.80/13,081,406.70 = 5,361,705.80/x
  3. Step 3: Cross multiply
    8,720,937.80x = 13,081,406.70 × 5,361,705.80
  4. Step 4: Simplify right side
    8,720,937.80x = 70,138,654,175,548.85
  5. Step 5: Solve for x
    x = 70,138,654,175,548.85/8,720,937.80
  6. Step 6: Final answer
    x = 8,042,558.70

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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.