Home / 13,086,696.15-18,057,001.95-7,927,060.14

Finding the Fourth Proportional to 13,086,696.15, 18,057,001.95 and 7,927,060.14

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Solution

The fourth proportional to 13,086,696.15, 18,057,001.95 and 7,927,060.14 is: 10,937,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,696.15 : 18,057,001.95 = 7,927,060.14 : x
  2. Step 2: Convert to fraction form
    13,086,696.15/18,057,001.95 = 7,927,060.14/x
  3. Step 3: Cross multiply
    13,086,696.15x = 18,057,001.95 × 7,927,060.14
  4. Step 4: Simplify right side
    13,086,696.15x = 143,138,940,405,747.25
  5. Step 5: Solve for x
    x = 143,138,940,405,747.25/13,086,696.15
  6. Step 6: Final answer
    x = 10,937,744.62

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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.