Home / 12,577,536.80-18,866,305.20-8,042,573.60

Finding the Fourth Proportional to 12,577,536.80, 18,866,305.20 and 8,042,573.60

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Solution

The fourth proportional to 12,577,536.80, 18,866,305.20 and 8,042,573.60 is: 12,063,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,536.80 : 18,866,305.20 = 8,042,573.60 : x
  2. Step 2: Convert to fraction form
    12,577,536.80/18,866,305.20 = 8,042,573.60/x
  3. Step 3: Cross multiply
    12,577,536.80x = 18,866,305.20 × 8,042,573.60
  4. Step 4: Simplify right side
    12,577,536.80x = 151,733,648,131,062.72
  5. Step 5: Solve for x
    x = 151,733,648,131,062.72/12,577,536.80
  6. Step 6: Final answer
    x = 12,063,860.40

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1.5x scale

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.