Home / 5,430,647.30-8,138,972.55-4,162,187.30

Finding the Fourth Proportional to 5,430,647.30, 8,138,972.55 and 4,162,187.30

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Solution

The fourth proportional to 5,430,647.30, 8,138,972.55 and 4,162,187.30 is: 6,237,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,647.30 : 8,138,972.55 = 4,162,187.30 : x
  2. Step 2: Convert to fraction form
    5,430,647.30/8,138,972.55 = 4,162,187.30/x
  3. Step 3: Cross multiply
    5,430,647.30x = 8,138,972.55 × 4,162,187.30
  4. Step 4: Simplify right side
    5,430,647.30x = 33,875,928,182,658.61
  5. Step 5: Solve for x
    x = 33,875,928,182,658.61/5,430,647.30
  6. Step 6: Final answer
    x = 6,237,917.20

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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.