Home / 36,393,981.32-54,572,717.82-12,124,375.76

Finding the Fourth Proportional to 36,393,981.32, 54,572,717.82 and 12,124,375.76

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Solution

The fourth proportional to 36,393,981.32, 54,572,717.82 and 12,124,375.76 is: 18,180,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393,981.32 : 54,572,717.82 = 12,124,375.76 : x
  2. Step 2: Convert to fraction form
    36,393,981.32/54,572,717.82 = 12,124,375.76/x
  3. Step 3: Cross multiply
    36,393,981.32x = 54,572,717.82 × 12,124,375.76
  4. Step 4: Simplify right side
    36,393,981.32x = 661,660,137,094,128
  5. Step 5: Solve for x
    x = 661,660,137,094,128/36,393,981.32
  6. Step 6: Final answer
    x = 18,180,482.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.