Home / 12,435,947.96-17,161,643.34-7,209,969.30

Finding the Fourth Proportional to 12,435,947.96, 17,161,643.34 and 7,209,969.30

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Solution

The fourth proportional to 12,435,947.96, 17,161,643.34 and 7,209,969.30 is: 9,949,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435,947.96 : 17,161,643.34 = 7,209,969.30 : x
  2. Step 2: Convert to fraction form
    12,435,947.96/17,161,643.34 = 7,209,969.30/x
  3. Step 3: Cross multiply
    12,435,947.96x = 17,161,643.34 × 7,209,969.30
  4. Step 4: Simplify right side
    12,435,947.96x = 123,734,921,618,949.45
  5. Step 5: Solve for x
    x = 123,734,921,618,949.45/12,435,947.96
  6. Step 6: Final answer
    x = 9,949,778.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.