Home / 27,578,679.49-38,057,349.52-15,809,510.58

Finding the Fourth Proportional to 27,578,679.49, 38,057,349.52 and 15,809,510.58

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Solution

The fourth proportional to 27,578,679.49, 38,057,349.52 and 15,809,510.58 is: 21,816,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,679.49 : 38,057,349.52 = 15,809,510.58 : x
  2. Step 2: Convert to fraction form
    27,578,679.49/38,057,349.52 = 15,809,510.58/x
  3. Step 3: Cross multiply
    27,578,679.49x = 38,057,349.52 × 15,809,510.58
  4. Step 4: Simplify right side
    27,578,679.49x = 601,668,069,883,198
  5. Step 5: Solve for x
    x = 601,668,069,883,198/27,578,679.49
  6. Step 6: Final answer
    x = 21,816,420.55

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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.