Home / 6,986,622.96-9,641,471.64-3,889,097.20

Finding the Fourth Proportional to 6,986,622.96, 9,641,471.64 and 3,889,097.20

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Solution

The fourth proportional to 6,986,622.96, 9,641,471.64 and 3,889,097.20 is: 5,366,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,622.96 : 9,641,471.64 = 3,889,097.20 : x
  2. Step 2: Convert to fraction form
    6,986,622.96/9,641,471.64 = 3,889,097.20/x
  3. Step 3: Cross multiply
    6,986,622.96x = 9,641,471.64 × 3,889,097.20
  4. Step 4: Simplify right side
    6,986,622.96x = 37,496,620,359,003.41
  5. Step 5: Solve for x
    x = 37,496,620,359,003.41/6,986,622.96
  6. Step 6: Final answer
    x = 5,366,916.26

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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.