Home / 13,148,213.76-19,686,879.36-8,587,969.92

Finding the Fourth Proportional to 13,148,213.76, 19,686,879.36 and 8,587,969.92

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Solution

The fourth proportional to 13,148,213.76, 19,686,879.36 and 8,587,969.92 is: 12,858,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,213.76 : 19,686,879.36 = 8,587,969.92 : x
  2. Step 2: Convert to fraction form
    13,148,213.76/19,686,879.36 = 8,587,969.92/x
  3. Step 3: Cross multiply
    13,148,213.76x = 19,686,879.36 × 8,587,969.92
  4. Step 4: Simplify right side
    13,148,213.76x = 169,070,327,762,348.84
  5. Step 5: Solve for x
    x = 169,070,327,762,348.84/13,148,213.76
  6. Step 6: Final answer
    x = 12,858,805.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.