Home / 21,032,691.46-31,545,879.72-6,653,890.94

Finding the Fourth Proportional to 21,032,691.46, 31,545,879.72 and 6,653,890.94

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Solution

The fourth proportional to 21,032,691.46, 31,545,879.72 and 6,653,890.94 is: 9,979,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,691.46 : 31,545,879.72 = 6,653,890.94 : x
  2. Step 2: Convert to fraction form
    21,032,691.46/31,545,879.72 = 6,653,890.94/x
  3. Step 3: Cross multiply
    21,032,691.46x = 31,545,879.72 × 6,653,890.94
  4. Step 4: Simplify right side
    21,032,691.46x = 209,902,843,263,237.75
  5. Step 5: Solve for x
    x = 209,902,843,263,237.75/21,032,691.46
  6. Step 6: Final answer
    x = 9,979,837.51

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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.