Home / 18,490,513.75-27,739,553.46-6,358,401.60

Finding the Fourth Proportional to 18,490,513.75, 27,739,553.46 and 6,358,401.60

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Solution

The fourth proportional to 18,490,513.75, 27,739,553.46 and 6,358,401.60 is: 9,538,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,513.75 : 27,739,553.46 = 6,358,401.60 : x
  2. Step 2: Convert to fraction form
    18,490,513.75/27,739,553.46 = 6,358,401.60/x
  3. Step 3: Cross multiply
    18,490,513.75x = 27,739,553.46 × 6,358,401.60
  4. Step 4: Simplify right side
    18,490,513.75x = 176,379,221,103,349.53
  5. Step 5: Solve for x
    x = 176,379,221,103,349.53/18,490,513.75
  6. Step 6: Final answer
    x = 9,538,903.22

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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.