Home / 14,821,973.36-20,454,962.49-8,206,561.76

Finding the Fourth Proportional to 14,821,973.36, 20,454,962.49 and 8,206,561.76

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Solution

The fourth proportional to 14,821,973.36, 20,454,962.49 and 8,206,561.76 is: 11,325,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,973.36 : 20,454,962.49 = 8,206,561.76 : x
  2. Step 2: Convert to fraction form
    14,821,973.36/20,454,962.49 = 8,206,561.76/x
  3. Step 3: Cross multiply
    14,821,973.36x = 20,454,962.49 × 8,206,561.76
  4. Step 4: Simplify right side
    14,821,973.36x = 167,864,912,972,668.38
  5. Step 5: Solve for x
    x = 167,864,912,972,668.38/14,821,973.36
  6. Step 6: Final answer
    x = 11,325,409.17

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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.