Home / 21,581,715.04-32,372,572.32-11,992,507.36

Finding the Fourth Proportional to 21,581,715.04, 32,372,572.32 and 11,992,507.36

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Solution

The fourth proportional to 21,581,715.04, 32,372,572.32 and 11,992,507.36 is: 17,988,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,715.04 : 32,372,572.32 = 11,992,507.36 : x
  2. Step 2: Convert to fraction form
    21,581,715.04/32,372,572.32 = 11,992,507.36/x
  3. Step 3: Cross multiply
    21,581,715.04x = 32,372,572.32 × 11,992,507.36
  4. Step 4: Simplify right side
    21,581,715.04x = 388,228,311,809,732.25
  5. Step 5: Solve for x
    x = 388,228,311,809,732.25/21,581,715.04
  6. Step 6: Final answer
    x = 17,988,760.91

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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.