Home / 12,672,290.40-18,953,139.60-11,334,127.20

Finding the Fourth Proportional to 12,672,290.40, 18,953,139.60 and 11,334,127.20

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Solution

The fourth proportional to 12,672,290.40, 18,953,139.60 and 11,334,127.20 is: 16,951,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,290.40 : 18,953,139.60 = 11,334,127.20 : x
  2. Step 2: Convert to fraction form
    12,672,290.40/18,953,139.60 = 11,334,127.20/x
  3. Step 3: Cross multiply
    12,672,290.40x = 18,953,139.60 × 11,334,127.20
  4. Step 4: Simplify right side
    12,672,290.40x = 214,817,295,065,757.12
  5. Step 5: Solve for x
    x = 214,817,295,065,757.12/12,672,290.40
  6. Step 6: Final answer
    x = 16,951,733.92

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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.