Home / 15,134,120.02-20,885,526.72-8,259,044.94

Finding the Fourth Proportional to 15,134,120.02, 20,885,526.72 and 8,259,044.94

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Solution

The fourth proportional to 15,134,120.02, 20,885,526.72 and 8,259,044.94 is: 11,397,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,120.02 : 20,885,526.72 = 8,259,044.94 : x
  2. Step 2: Convert to fraction form
    15,134,120.02/20,885,526.72 = 8,259,044.94/x
  3. Step 3: Cross multiply
    15,134,120.02x = 20,885,526.72 × 8,259,044.94
  4. Step 4: Simplify right side
    15,134,120.02x = 172,494,503,776,050.78
  5. Step 5: Solve for x
    x = 172,494,503,776,050.78/15,134,120.02
  6. Step 6: Final answer
    x = 11,397,722.73

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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.