Home / 15,404,127.80-21,259,122.84-8,528,609.96

Finding the Fourth Proportional to 15,404,127.80, 21,259,122.84 and 8,528,609.96

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Solution

The fourth proportional to 15,404,127.80, 21,259,122.84 and 8,528,609.96 is: 11,770,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,127.80 : 21,259,122.84 = 8,528,609.96 : x
  2. Step 2: Convert to fraction form
    15,404,127.80/21,259,122.84 = 8,528,609.96/x
  3. Step 3: Cross multiply
    15,404,127.80x = 21,259,122.84 × 8,528,609.96
  4. Step 4: Simplify right side
    15,404,127.80x = 181,310,766,794,087.50
  5. Step 5: Solve for x
    x = 181,310,766,794,087.50/15,404,127.80
  6. Step 6: Final answer
    x = 11,770,271.52

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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.