Home / 20,484,663.29-28,268,500.93-11,192,033.38

Finding the Fourth Proportional to 20,484,663.29, 28,268,500.93 and 11,192,033.38

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Solution

The fourth proportional to 20,484,663.29, 28,268,500.93 and 11,192,033.38 is: 15,444,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,663.29 : 28,268,500.93 = 11,192,033.38 : x
  2. Step 2: Convert to fraction form
    20,484,663.29/28,268,500.93 = 11,192,033.38/x
  3. Step 3: Cross multiply
    20,484,663.29x = 28,268,500.93 × 11,192,033.38
  4. Step 4: Simplify right side
    20,484,663.29x = 316,382,006,011,121.06
  5. Step 5: Solve for x
    x = 316,382,006,011,121.06/20,484,663.29
  6. Step 6: Final answer
    x = 15,444,823.36

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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.