Home / 8,789,288.53-12,129,216.42-4,869,299.38

Finding the Fourth Proportional to 8,789,288.53, 12,129,216.42 and 4,869,299.38

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Solution

The fourth proportional to 8,789,288.53, 12,129,216.42 and 4,869,299.38 is: 6,719,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,288.53 : 12,129,216.42 = 4,869,299.38 : x
  2. Step 2: Convert to fraction form
    8,789,288.53/12,129,216.42 = 4,869,299.38/x
  3. Step 3: Cross multiply
    8,789,288.53x = 12,129,216.42 × 4,869,299.38
  4. Step 4: Simplify right side
    8,789,288.53x = 59,060,785,993,791.82
  5. Step 5: Solve for x
    x = 59,060,785,993,791.82/8,789,288.53
  6. Step 6: Final answer
    x = 6,719,632.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.