Home / 20,979,569-31,471,135.90-5,833,500.50

Finding the Fourth Proportional to 20,979,569, 31,471,135.90 and 5,833,500.50

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Solution

The fourth proportional to 20,979,569, 31,471,135.90 and 5,833,500.50 is: 8,750,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,569 : 31,471,135.90 = 5,833,500.50 : x
  2. Step 2: Convert to fraction form
    20,979,569/31,471,135.90 = 5,833,500.50/x
  3. Step 3: Cross multiply
    20,979,569x = 31,471,135.90 × 5,833,500.50
  4. Step 4: Simplify right side
    20,979,569x = 183,586,887,008,217.94
  5. Step 5: Solve for x
    x = 183,586,887,008,217.94/20,979,569
  6. Step 6: Final answer
    x = 8,750,746.36

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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.