Home / 18,166,604.47-27,255,166.47-5,387,416.72

Finding the Fourth Proportional to 18,166,604.47, 27,255,166.47 and 5,387,416.72

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Solution

The fourth proportional to 18,166,604.47, 27,255,166.47 and 5,387,416.72 is: 8,082,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,604.47 : 27,255,166.47 = 5,387,416.72 : x
  2. Step 2: Convert to fraction form
    18,166,604.47/27,255,166.47 = 5,387,416.72/x
  3. Step 3: Cross multiply
    18,166,604.47x = 27,255,166.47 × 5,387,416.72
  4. Step 4: Simplify right side
    18,166,604.47x = 146,834,939,478,723.47
  5. Step 5: Solve for x
    x = 146,834,939,478,723.47/18,166,604.47
  6. Step 6: Final answer
    x = 8,082,684.89

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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.