Home / 27,699,455.60-38,227,227.78-15,309,282.53

Finding the Fourth Proportional to 27,699,455.60, 38,227,227.78 and 15,309,282.53

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Solution

The fourth proportional to 27,699,455.60, 38,227,227.78 and 15,309,282.53 is: 21,127,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,455.60 : 38,227,227.78 = 15,309,282.53 : x
  2. Step 2: Convert to fraction form
    27,699,455.60/38,227,227.78 = 15,309,282.53/x
  3. Step 3: Cross multiply
    27,699,455.60x = 38,227,227.78 × 15,309,282.53
  4. Step 4: Simplify right side
    27,699,455.60x = 585,231,430,231,548.62
  5. Step 5: Solve for x
    x = 585,231,430,231,548.62/27,699,455.60
  6. Step 6: Final answer
    x = 21,127,903.70

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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.