Home / 15,444,192.12-21,312,987.89-8,568,657.78

Finding the Fourth Proportional to 15,444,192.12, 21,312,987.89 and 8,568,657.78

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Solution

The fourth proportional to 15,444,192.12, 21,312,987.89 and 8,568,657.78 is: 11,824,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444,192.12 : 21,312,987.89 = 8,568,657.78 : x
  2. Step 2: Convert to fraction form
    15,444,192.12/21,312,987.89 = 8,568,657.78/x
  3. Step 3: Cross multiply
    15,444,192.12x = 21,312,987.89 × 8,568,657.78
  4. Step 4: Simplify right side
    15,444,192.12x = 182,623,699,455,851
  5. Step 5: Solve for x
    x = 182,623,699,455,851/15,444,192.12
  6. Step 6: Final answer
    x = 11,824,749.27

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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.