Home / 14,697,911.52-20,284,795.44-8,172,188.64

Finding the Fourth Proportional to 14,697,911.52, 20,284,795.44 and 8,172,188.64

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Solution

The fourth proportional to 14,697,911.52, 20,284,795.44 and 8,172,188.64 is: 11,278,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697,911.52 : 20,284,795.44 = 8,172,188.64 : x
  2. Step 2: Convert to fraction form
    14,697,911.52/20,284,795.44 = 8,172,188.64/x
  3. Step 3: Cross multiply
    14,697,911.52x = 20,284,795.44 × 8,172,188.64
  4. Step 4: Simplify right side
    14,697,911.52x = 165,771,174,859,491.81
  5. Step 5: Solve for x
    x = 165,771,174,859,491.81/14,697,911.52
  6. Step 6: Final answer
    x = 11,278,553.05

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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.