Home / 6,521,004.80-9,781,507.20-5,028,012.80

Finding the Fourth Proportional to 6,521,004.80, 9,781,507.20 and 5,028,012.80

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Solution

The fourth proportional to 6,521,004.80, 9,781,507.20 and 5,028,012.80 is: 7,542,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521,004.80 : 9,781,507.20 = 5,028,012.80 : x
  2. Step 2: Convert to fraction form
    6,521,004.80/9,781,507.20 = 5,028,012.80/x
  3. Step 3: Cross multiply
    6,521,004.80x = 9,781,507.20 × 5,028,012.80
  4. Step 4: Simplify right side
    6,521,004.80x = 49,181,543,404,892.16
  5. Step 5: Solve for x
    x = 49,181,543,404,892.16/6,521,004.80
  6. Step 6: Final answer
    x = 7,542,019.20

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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.