Home / 20,484,662.29-28,268,499.55-11,192,032.38

Finding the Fourth Proportional to 20,484,662.29, 28,268,499.55 and 11,192,032.38

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Solution

The fourth proportional to 20,484,662.29, 28,268,499.55 and 11,192,032.38 is: 15,444,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,662.29 : 28,268,499.55 = 11,192,032.38 : x
  2. Step 2: Convert to fraction form
    20,484,662.29/28,268,499.55 = 11,192,032.38/x
  3. Step 3: Cross multiply
    20,484,662.29x = 28,268,499.55 × 11,192,032.38
  4. Step 4: Simplify right side
    20,484,662.29x = 316,381,962,163,628.50
  5. Step 5: Solve for x
    x = 316,381,962,163,628.50/20,484,662.29
  6. Step 6: Final answer
    x = 15,444,821.97

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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.