Home / 15,365,675.82-21,204,376.49-8,396,200.26

Finding the Fourth Proportional to 15,365,675.82, 21,204,376.49 and 8,396,200.26

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Solution

The fourth proportional to 15,365,675.82, 21,204,376.49 and 8,396,200.26 is: 11,586,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,675.82 : 21,204,376.49 = 8,396,200.26 : x
  2. Step 2: Convert to fraction form
    15,365,675.82/21,204,376.49 = 8,396,200.26/x
  3. Step 3: Cross multiply
    15,365,675.82x = 21,204,376.49 × 8,396,200.26
  4. Step 4: Simplify right side
    15,365,675.82x = 178,036,191,398,475.88
  5. Step 5: Solve for x
    x = 178,036,191,398,475.88/15,365,675.82
  6. Step 6: Final answer
    x = 11,586,616.40

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1.5x scale

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.