Home / 19,438,309.80-29,146,184.21-9,203,083.66

Finding the Fourth Proportional to 19,438,309.80, 29,146,184.21 and 9,203,083.66

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Solution

The fourth proportional to 19,438,309.80, 29,146,184.21 and 9,203,083.66 is: 13,799,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438,309.80 : 29,146,184.21 = 9,203,083.66 : x
  2. Step 2: Convert to fraction form
    19,438,309.80/29,146,184.21 = 9,203,083.66/x
  3. Step 3: Cross multiply
    19,438,309.80x = 29,146,184.21 × 9,203,083.66
  4. Step 4: Simplify right side
    19,438,309.80x = 268,234,771,535,520.12
  5. Step 5: Solve for x
    x = 268,234,771,535,520.12/19,438,309.80
  6. Step 6: Final answer
    x = 13,799,284.73

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Double scale
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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.