Home / 20,318,822.34-28,039,993.83-11,617,177.17

Finding the Fourth Proportional to 20,318,822.34, 28,039,993.83 and 11,617,177.17

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Solution

The fourth proportional to 20,318,822.34, 28,039,993.83 and 11,617,177.17 is: 16,031,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,822.34 : 28,039,993.83 = 11,617,177.17 : x
  2. Step 2: Convert to fraction form
    20,318,822.34/28,039,993.83 = 11,617,177.17/x
  3. Step 3: Cross multiply
    20,318,822.34x = 28,039,993.83 × 11,617,177.17
  4. Step 4: Simplify right side
    20,318,822.34x = 325,745,576,168,816.81
  5. Step 5: Solve for x
    x = 325,745,576,168,816.81/20,318,822.34
  6. Step 6: Final answer
    x = 16,031,715.36

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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.