Home / 7,146,376.31-9,862,061.79-3,883,191.03

Finding the Fourth Proportional to 7,146,376.31, 9,862,061.79 and 3,883,191.03

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Solution

The fourth proportional to 7,146,376.31, 9,862,061.79 and 3,883,191.03 is: 5,358,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,376.31 : 9,862,061.79 = 3,883,191.03 : x
  2. Step 2: Convert to fraction form
    7,146,376.31/9,862,061.79 = 3,883,191.03/x
  3. Step 3: Cross multiply
    7,146,376.31x = 9,862,061.79 × 3,883,191.03
  4. Step 4: Simplify right side
    7,146,376.31x = 38,296,269,880,233.73
  5. Step 5: Solve for x
    x = 38,296,269,880,233.73/7,146,376.31
  6. Step 6: Final answer
    x = 5,358,837.57

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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.