Home / 21,322,790.34-31,984,160.67-6,945,834.93

Finding the Fourth Proportional to 21,322,790.34, 31,984,160.67 and 6,945,834.93

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Solution

The fourth proportional to 21,322,790.34, 31,984,160.67 and 6,945,834.93 is: 10,418,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322,790.34 : 31,984,160.67 = 6,945,834.93 : x
  2. Step 2: Convert to fraction form
    21,322,790.34/31,984,160.67 = 6,945,834.93/x
  3. Step 3: Cross multiply
    21,322,790.34x = 31,984,160.67 × 6,945,834.93
  4. Step 4: Simplify right side
    21,322,790.34x = 222,156,700,388,418.22
  5. Step 5: Solve for x
    x = 222,156,700,388,418.22/21,322,790.34
  6. Step 6: Final answer
    x = 10,418,744.30

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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.