Home / 15,808,884.96-21,815,059.78-9,613,076.38

Finding the Fourth Proportional to 15,808,884.96, 21,815,059.78 and 9,613,076.38

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Solution

The fourth proportional to 15,808,884.96, 21,815,059.78 and 9,613,076.38 is: 13,265,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,884.96 : 21,815,059.78 = 9,613,076.38 : x
  2. Step 2: Convert to fraction form
    15,808,884.96/21,815,059.78 = 9,613,076.38/x
  3. Step 3: Cross multiply
    15,808,884.96x = 21,815,059.78 × 9,613,076.38
  4. Step 4: Simplify right side
    15,808,884.96x = 209,709,835,899,406.03
  5. Step 5: Solve for x
    x = 209,709,835,899,406.03/15,808,884.96
  6. Step 6: Final answer
    x = 13,265,314.82

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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.