Home / 21,510,665.10-29,684,333.52-11,721,193.83

Finding the Fourth Proportional to 21,510,665.10, 29,684,333.52 and 11,721,193.83

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Solution

The fourth proportional to 21,510,665.10, 29,684,333.52 and 11,721,193.83 is: 16,175,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510,665.10 : 29,684,333.52 = 11,721,193.83 : x
  2. Step 2: Convert to fraction form
    21,510,665.10/29,684,333.52 = 11,721,193.83/x
  3. Step 3: Cross multiply
    21,510,665.10x = 29,684,333.52 × 11,721,193.83
  4. Step 4: Simplify right side
    21,510,665.10x = 347,935,826,902,286.19
  5. Step 5: Solve for x
    x = 347,935,826,902,286.19/21,510,665.10
  6. Step 6: Final answer
    x = 16,175,038.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.