Home / 18,668,674-28,007,734.92-5,205,502

Finding the Fourth Proportional to 18,668,674, 28,007,734.92 and 5,205,502

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Solution

The fourth proportional to 18,668,674, 28,007,734.92 and 5,205,502 is: 7,809,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,674 : 28,007,734.92 = 5,205,502 : x
  2. Step 2: Convert to fraction form
    18,668,674/28,007,734.92 = 5,205,502/x
  3. Step 3: Cross multiply
    18,668,674x = 28,007,734.92 × 5,205,502
  4. Step 4: Simplify right side
    18,668,674x = 145,794,320,141,529.84
  5. Step 5: Solve for x
    x = 145,794,320,141,529.84/18,668,674
  6. Step 6: Final answer
    x = 7,809,570.20

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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.