Home / 20,318,822.34-28,039,993.82-11,617,177.16

Finding the Fourth Proportional to 20,318,822.34, 28,039,993.82 and 11,617,177.16

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Solution

The fourth proportional to 20,318,822.34, 28,039,993.82 and 11,617,177.16 is: 16,031,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,822.34 : 28,039,993.82 = 11,617,177.16 : x
  2. Step 2: Convert to fraction form
    20,318,822.34/28,039,993.82 = 11,617,177.16/x
  3. Step 3: Cross multiply
    20,318,822.34x = 28,039,993.82 × 11,617,177.16
  4. Step 4: Simplify right side
    20,318,822.34x = 325,745,575,772,245.19
  5. Step 5: Solve for x
    x = 325,745,575,772,245.19/20,318,822.34
  6. Step 6: Final answer
    x = 16,031,715.34

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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.