Home / 19,378,105.83-29,066,192.42-7,246,677.31

Finding the Fourth Proportional to 19,378,105.83, 29,066,192.42 and 7,246,677.31

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Solution

The fourth proportional to 19,378,105.83, 29,066,192.42 and 7,246,677.31 is: 10,869,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,105.83 : 29,066,192.42 = 7,246,677.31 : x
  2. Step 2: Convert to fraction form
    19,378,105.83/29,066,192.42 = 7,246,677.31/x
  3. Step 3: Cross multiply
    19,378,105.83x = 29,066,192.42 × 7,246,677.31
  4. Step 4: Simplify right side
    19,378,105.83x = 210,633,316,989,209.12
  5. Step 5: Solve for x
    x = 210,633,316,989,209.12/19,378,105.83
  6. Step 6: Final answer
    x = 10,869,654.59

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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.