Home / 13,571,036.82-18,728,220.60-7,376,081.64

Finding the Fourth Proportional to 13,571,036.82, 18,728,220.60 and 7,376,081.64

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Solution

The fourth proportional to 13,571,036.82, 18,728,220.60 and 7,376,081.64 is: 10,179,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,036.82 : 18,728,220.60 = 7,376,081.64 : x
  2. Step 2: Convert to fraction form
    13,571,036.82/18,728,220.60 = 7,376,081.64/x
  3. Step 3: Cross multiply
    13,571,036.82x = 18,728,220.60 × 7,376,081.64
  4. Step 4: Simplify right side
    13,571,036.82x = 138,140,884,117,529.78
  5. Step 5: Solve for x
    x = 138,140,884,117,529.78/13,571,036.82
  6. Step 6: Final answer
    x = 10,179,095.82

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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.