Home / 20,903,898.60-31,355,833.32-6,528,198.48

Finding the Fourth Proportional to 20,903,898.60, 31,355,833.32 and 6,528,198.48

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Solution

The fourth proportional to 20,903,898.60, 31,355,833.32 and 6,528,198.48 is: 9,792,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,898.60 : 31,355,833.32 = 6,528,198.48 : x
  2. Step 2: Convert to fraction form
    20,903,898.60/31,355,833.32 = 6,528,198.48/x
  3. Step 3: Cross multiply
    20,903,898.60x = 31,355,833.32 × 6,528,198.48
  4. Step 4: Simplify right side
    20,903,898.60x = 204,697,103,418,757.38
  5. Step 5: Solve for x
    x = 204,697,103,418,757.38/20,903,898.60
  6. Step 6: Final answer
    x = 9,792,293.17

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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.