Home / 10,120,533.12-13,974,845.76-7,228,794.24

Finding the Fourth Proportional to 10,120,533.12, 13,974,845.76 and 7,228,794.24

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Solution

The fourth proportional to 10,120,533.12, 13,974,845.76 and 7,228,794.24 is: 9,981,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,533.12 : 13,974,845.76 = 7,228,794.24 : x
  2. Step 2: Convert to fraction form
    10,120,533.12/13,974,845.76 = 7,228,794.24/x
  3. Step 3: Cross multiply
    10,120,533.12x = 13,974,845.76 × 7,228,794.24
  4. Step 4: Simplify right side
    10,120,533.12x = 101,021,284,534,776.42
  5. Step 5: Solve for x
    x = 101,021,284,534,776.42/10,120,533.12
  6. Step 6: Final answer
    x = 9,981,814.53

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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.