Home / 21,004,112.25-31,446,753.71-11,133,685.14

Finding the Fourth Proportional to 21,004,112.25, 31,446,753.71 and 11,133,685.14

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Solution

The fourth proportional to 21,004,112.25, 31,446,753.71 and 11,133,685.14 is: 16,669,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,112.25 : 31,446,753.71 = 11,133,685.14 : x
  2. Step 2: Convert to fraction form
    21,004,112.25/31,446,753.71 = 11,133,685.14/x
  3. Step 3: Cross multiply
    21,004,112.25x = 31,446,753.71 × 11,133,685.14
  4. Step 4: Simplify right side
    21,004,112.25x = 350,118,254,426,598.44
  5. Step 5: Solve for x
    x = 350,118,254,426,598.44/21,004,112.25
  6. Step 6: Final answer
    x = 16,669,033.68

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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.