Home / 12,318,837.96-17,001,047.70-7,161,872.52

Finding the Fourth Proportional to 12,318,837.96, 17,001,047.70 and 7,161,872.52

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Solution

The fourth proportional to 12,318,837.96, 17,001,047.70 and 7,161,872.52 is: 9,883,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,837.96 : 17,001,047.70 = 7,161,872.52 : x
  2. Step 2: Convert to fraction form
    12,318,837.96/17,001,047.70 = 7,161,872.52/x
  3. Step 3: Cross multiply
    12,318,837.96x = 17,001,047.70 × 7,161,872.52
  4. Step 4: Simplify right side
    12,318,837.96x = 121,759,336,333,839.19
  5. Step 5: Solve for x
    x = 121,759,336,333,839.19/12,318,837.96
  6. Step 6: Final answer
    x = 9,883,995.29

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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.