Home / 15,404,608.02-21,259,023.29-8,529,089.88

Finding the Fourth Proportional to 15,404,608.02, 21,259,023.29 and 8,529,089.88

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Solution

The fourth proportional to 15,404,608.02, 21,259,023.29 and 8,529,089.88 is: 11,770,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,608.02 : 21,259,023.29 = 8,529,089.88 : x
  2. Step 2: Convert to fraction form
    15,404,608.02/21,259,023.29 = 8,529,089.88/x
  3. Step 3: Cross multiply
    15,404,608.02x = 21,259,023.29 × 8,529,089.88
  4. Step 4: Simplify right side
    15,404,608.02x = 181,320,120,401,423.31
  5. Step 5: Solve for x
    x = 181,320,120,401,423.31/15,404,608.02
  6. Step 6: Final answer
    x = 11,770,511.80

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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.