Home / 13,753,940.61-18,961,468.83-10,972,501.86

Finding the Fourth Proportional to 13,753,940.61, 18,961,468.83 and 10,972,501.86

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Solution

The fourth proportional to 13,753,940.61, 18,961,468.83 and 10,972,501.86 is: 15,126,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,940.61 : 18,961,468.83 = 10,972,501.86 : x
  2. Step 2: Convert to fraction form
    13,753,940.61/18,961,468.83 = 10,972,501.86/x
  3. Step 3: Cross multiply
    13,753,940.61x = 18,961,468.83 × 10,972,501.86
  4. Step 4: Simplify right side
    13,753,940.61x = 208,054,752,005,507
  5. Step 5: Solve for x
    x = 208,054,752,005,507/13,753,940.61
  6. Step 6: Final answer
    x = 15,126,919.47

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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.