Home / 27,699,528.69-38,227,327.52-15,309,355.84

Finding the Fourth Proportional to 27,699,528.69, 38,227,327.52 and 15,309,355.84

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Solution

The fourth proportional to 27,699,528.69, 38,227,327.52 and 15,309,355.84 is: 21,128,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,528.69 : 38,227,327.52 = 15,309,355.84 : x
  2. Step 2: Convert to fraction form
    27,699,528.69/38,227,327.52 = 15,309,355.84/x
  3. Step 3: Cross multiply
    27,699,528.69x = 38,227,327.52 × 15,309,355.84
  4. Step 4: Simplify right side
    27,699,528.69x = 585,235,759,858,818.38
  5. Step 5: Solve for x
    x = 585,235,759,858,818.38/27,699,528.69
  6. Step 6: Final answer
    x = 21,128,004.25

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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.