Home / 31,638,710.32-43,661,027.04-18,587,159

Finding the Fourth Proportional to 31,638,710.32, 43,661,027.04 and 18,587,159

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Solution

The fourth proportional to 31,638,710.32, 43,661,027.04 and 18,587,159 is: 25,650,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638,710.32 : 43,661,027.04 = 18,587,159 : x
  2. Step 2: Convert to fraction form
    31,638,710.32/43,661,027.04 = 18,587,159/x
  3. Step 3: Cross multiply
    31,638,710.32x = 43,661,027.04 × 18,587,159
  4. Step 4: Simplify right side
    31,638,710.32x = 811,534,451,695,779.38
  5. Step 5: Solve for x
    x = 811,534,451,695,779.38/31,638,710.32
  6. Step 6: Final answer
    x = 25,650,048.42

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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.