Home / 15,902,484.80-21,944,830.32-9,717,872.96

Finding the Fourth Proportional to 15,902,484.80, 21,944,830.32 and 9,717,872.96

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Solution

The fourth proportional to 15,902,484.80, 21,944,830.32 and 9,717,872.96 is: 13,410,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902,484.80 : 21,944,830.32 = 9,717,872.96 : x
  2. Step 2: Convert to fraction form
    15,902,484.80/21,944,830.32 = 9,717,872.96/x
  3. Step 3: Cross multiply
    15,902,484.80x = 21,944,830.32 × 9,717,872.96
  4. Step 4: Simplify right side
    15,902,484.80x = 213,257,073,178,516.16
  5. Step 5: Solve for x
    x = 213,257,073,178,516.16/15,902,484.80
  6. Step 6: Final answer
    x = 13,410,298.82

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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.