Home / 13,156,942.97-19,753,319.91-7,403,741.66

Finding the Fourth Proportional to 13,156,942.97, 19,753,319.91 and 7,403,741.66

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Solution

The fourth proportional to 13,156,942.97, 19,753,319.91 and 7,403,741.66 is: 11,115,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,942.97 : 19,753,319.91 = 7,403,741.66 : x
  2. Step 2: Convert to fraction form
    13,156,942.97/19,753,319.91 = 7,403,741.66/x
  3. Step 3: Cross multiply
    13,156,942.97x = 19,753,319.91 × 7,403,741.66
  4. Step 4: Simplify right side
    13,156,942.97x = 146,248,477,540,974.47
  5. Step 5: Solve for x
    x = 146,248,477,540,974.47/13,156,942.97
  6. Step 6: Final answer
    x = 11,115,688.34

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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.