Home / 21,572,755.32-29,770,225.50-11,783,205.72

Finding the Fourth Proportional to 21,572,755.32, 29,770,225.50 and 11,783,205.72

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Solution

The fourth proportional to 21,572,755.32, 29,770,225.50 and 11,783,205.72 is: 16,260,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572,755.32 : 29,770,225.50 = 11,783,205.72 : x
  2. Step 2: Convert to fraction form
    21,572,755.32/29,770,225.50 = 11,783,205.72/x
  3. Step 3: Cross multiply
    21,572,755.32x = 29,770,225.50 × 11,783,205.72
  4. Step 4: Simplify right side
    21,572,755.32x = 350,788,691,397,289.88
  5. Step 5: Solve for x
    x = 350,788,691,397,289.88/21,572,755.32
  6. Step 6: Final answer
    x = 16,260,727.30

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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.