Home / 15,134,116.02-20,885,521.20-8,259,040.94

Finding the Fourth Proportional to 15,134,116.02, 20,885,521.20 and 8,259,040.94

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Solution

The fourth proportional to 15,134,116.02, 20,885,521.20 and 8,259,040.94 is: 11,397,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,116.02 : 20,885,521.20 = 8,259,040.94 : x
  2. Step 2: Convert to fraction form
    15,134,116.02/20,885,521.20 = 8,259,040.94/x
  3. Step 3: Cross multiply
    15,134,116.02x = 20,885,521.20 × 8,259,040.94
  4. Step 4: Simplify right side
    15,134,116.02x = 172,494,374,644,037.94
  5. Step 5: Solve for x
    x = 172,494,374,644,037.94/15,134,116.02
  6. Step 6: Final answer
    x = 11,397,717.21

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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.