Home / 21,007,665.24-31,484,991.24-11,268,123.36

Finding the Fourth Proportional to 21,007,665.24, 31,484,991.24 and 11,268,123.36

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Solution

The fourth proportional to 21,007,665.24, 31,484,991.24 and 11,268,123.36 is: 16,887,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,007,665.24 : 31,484,991.24 = 11,268,123.36 : x
  2. Step 2: Convert to fraction form
    21,007,665.24/31,484,991.24 = 11,268,123.36/x
  3. Step 3: Cross multiply
    21,007,665.24x = 31,484,991.24 × 11,268,123.36
  4. Step 4: Simplify right side
    21,007,665.24x = 354,776,765,280,839.31
  5. Step 5: Solve for x
    x = 354,776,765,280,839.31/21,007,665.24
  6. Step 6: Final answer
    x = 16,887,967.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.