Home / 36,990,854.35-55,480,254.63-12,409,659.82

Finding the Fourth Proportional to 36,990,854.35, 55,480,254.63 and 12,409,659.82

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Solution

The fourth proportional to 36,990,854.35, 55,480,254.63 and 12,409,659.82 is: 18,612,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990,854.35 : 55,480,254.63 = 12,409,659.82 : x
  2. Step 2: Convert to fraction form
    36,990,854.35/55,480,254.63 = 12,409,659.82/x
  3. Step 3: Cross multiply
    36,990,854.35x = 55,480,254.63 × 12,409,659.82
  4. Step 4: Simplify right side
    36,990,854.35x = 688,491,086,685,280
  5. Step 5: Solve for x
    x = 688,491,086,685,280/36,990,854.35
  6. Step 6: Final answer
    x = 18,612,467.83

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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.