Home / 13,146,723.40-19,720,085.10-11,068,198.60

Finding the Fourth Proportional to 13,146,723.40, 19,720,085.10 and 11,068,198.60

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Solution

The fourth proportional to 13,146,723.40, 19,720,085.10 and 11,068,198.60 is: 16,602,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,723.40 : 19,720,085.10 = 11,068,198.60 : x
  2. Step 2: Convert to fraction form
    13,146,723.40/19,720,085.10 = 11,068,198.60/x
  3. Step 3: Cross multiply
    13,146,723.40x = 19,720,085.10 × 11,068,198.60
  4. Step 4: Simplify right side
    13,146,723.40x = 218,265,818,295,700.88
  5. Step 5: Solve for x
    x = 218,265,818,295,700.88/13,146,723.40
  6. Step 6: Final answer
    x = 16,602,297.90

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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.