Home / 5,387,776.80-8,081,665.20-5,122,056.30

Finding the Fourth Proportional to 5,387,776.80, 8,081,665.20 and 5,122,056.30

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Solution

The fourth proportional to 5,387,776.80, 8,081,665.20 and 5,122,056.30 is: 7,683,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,776.80 : 8,081,665.20 = 5,122,056.30 : x
  2. Step 2: Convert to fraction form
    5,387,776.80/8,081,665.20 = 5,122,056.30/x
  3. Step 3: Cross multiply
    5,387,776.80x = 8,081,665.20 × 5,122,056.30
  4. Step 4: Simplify right side
    5,387,776.80x = 41,394,744,152,150.76
  5. Step 5: Solve for x
    x = 41,394,744,152,150.76/5,387,776.80
  6. Step 6: Final answer
    x = 7,683,084.45

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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.