Home / 15,134,121.02-20,885,528.10-8,259,045.94

Finding the Fourth Proportional to 15,134,121.02, 20,885,528.10 and 8,259,045.94

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Solution

The fourth proportional to 15,134,121.02, 20,885,528.10 and 8,259,045.94 is: 11,397,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,121.02 : 20,885,528.10 = 8,259,045.94 : x
  2. Step 2: Convert to fraction form
    15,134,121.02/20,885,528.10 = 8,259,045.94/x
  3. Step 3: Cross multiply
    15,134,121.02x = 20,885,528.10 × 8,259,045.94
  4. Step 4: Simplify right side
    15,134,121.02x = 172,494,536,059,060.94
  5. Step 5: Solve for x
    x = 172,494,536,059,060.94/15,134,121.02
  6. Step 6: Final answer
    x = 11,397,724.11

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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.