Home / 20,484,665.57-28,268,504.08-11,192,035.66

Finding the Fourth Proportional to 20,484,665.57, 28,268,504.08 and 11,192,035.66

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Solution

The fourth proportional to 20,484,665.57, 28,268,504.08 and 11,192,035.66 is: 15,444,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,665.57 : 28,268,504.08 = 11,192,035.66 : x
  2. Step 2: Convert to fraction form
    20,484,665.57/28,268,504.08 = 11,192,035.66/x
  3. Step 3: Cross multiply
    20,484,665.57x = 28,268,504.08 × 11,192,035.66
  4. Step 4: Simplify right side
    20,484,665.57x = 316,382,105,619,564.19
  5. Step 5: Solve for x
    x = 316,382,105,619,564.19/20,484,665.57
  6. Step 6: Final answer
    x = 15,444,826.50

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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.