Home / 12,026,201.39-16,602,597.20-9,407,140.92

Finding the Fourth Proportional to 12,026,201.39, 16,602,597.20 and 9,407,140.92

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Solution

The fourth proportional to 12,026,201.39, 16,602,597.20 and 9,407,140.92 is: 12,986,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,201.39 : 16,602,597.20 = 9,407,140.92 : x
  2. Step 2: Convert to fraction form
    12,026,201.39/16,602,597.20 = 9,407,140.92/x
  3. Step 3: Cross multiply
    12,026,201.39x = 16,602,597.20 × 9,407,140.92
  4. Step 4: Simplify right side
    12,026,201.39x = 156,182,971,451,361.72
  5. Step 5: Solve for x
    x = 156,182,971,451,361.72/12,026,201.39
  6. Step 6: Final answer
    x = 12,986,891.41

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Double scale
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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.