Home / 13,438,354.19-18,544,394.63-7,933,502.33

Finding the Fourth Proportional to 13,438,354.19, 18,544,394.63 and 7,933,502.33

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Solution

The fourth proportional to 13,438,354.19, 18,544,394.63 and 7,933,502.33 is: 10,947,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,354.19 : 18,544,394.63 = 7,933,502.33 : x
  2. Step 2: Convert to fraction form
    13,438,354.19/18,544,394.63 = 7,933,502.33/x
  3. Step 3: Cross multiply
    13,438,354.19x = 18,544,394.63 × 7,933,502.33
  4. Step 4: Simplify right side
    13,438,354.19x = 147,121,997,932,656.28
  5. Step 5: Solve for x
    x = 147,121,997,932,656.28/13,438,354.19
  6. Step 6: Final answer
    x = 10,947,917.86

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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.