Home / 10,603,285.75-15,875,296.31-5,728,126.50

Finding the Fourth Proportional to 10,603,285.75, 15,875,296.31 and 5,728,126.50

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Solution

The fourth proportional to 10,603,285.75, 15,875,296.31 and 5,728,126.50 is: 8,576,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,285.75 : 15,875,296.31 = 5,728,126.50 : x
  2. Step 2: Convert to fraction form
    10,603,285.75/15,875,296.31 = 5,728,126.50/x
  3. Step 3: Cross multiply
    10,603,285.75x = 15,875,296.31 × 5,728,126.50
  4. Step 4: Simplify right side
    10,603,285.75x = 90,935,705,480,658.11
  5. Step 5: Solve for x
    x = 90,935,705,480,658.11/10,603,285.75
  6. Step 6: Final answer
    x = 8,576,181.73

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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.