Home / 21,302,597.80-31,953,896.70-14,783,588.20

Finding the Fourth Proportional to 21,302,597.80, 31,953,896.70 and 14,783,588.20

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Solution

The fourth proportional to 21,302,597.80, 31,953,896.70 and 14,783,588.20 is: 22,175,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,597.80 : 31,953,896.70 = 14,783,588.20 : x
  2. Step 2: Convert to fraction form
    21,302,597.80/31,953,896.70 = 14,783,588.20/x
  3. Step 3: Cross multiply
    21,302,597.80x = 31,953,896.70 × 14,783,588.20
  4. Step 4: Simplify right side
    21,302,597.80x = 472,393,250,198,138.88
  5. Step 5: Solve for x
    x = 472,393,250,198,138.88/21,302,597.80
  6. Step 6: Final answer
    x = 22,175,382.30

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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.