Home / 20,484,663.54-28,268,501.28-11,192,033.63

Finding the Fourth Proportional to 20,484,663.54, 28,268,501.28 and 11,192,033.63

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Solution

The fourth proportional to 20,484,663.54, 28,268,501.28 and 11,192,033.63 is: 15,444,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,663.54 : 28,268,501.28 = 11,192,033.63 : x
  2. Step 2: Convert to fraction form
    20,484,663.54/28,268,501.28 = 11,192,033.63/x
  3. Step 3: Cross multiply
    20,484,663.54x = 28,268,501.28 × 11,192,033.63
  4. Step 4: Simplify right side
    20,484,663.54x = 316,382,016,939,497.88
  5. Step 5: Solve for x
    x = 316,382,016,939,497.88/20,484,663.54
  6. Step 6: Final answer
    x = 15,444,823.70

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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.