Home / 13,117,566.48-19,635,993.30-8,558,799.12

Finding the Fourth Proportional to 13,117,566.48, 19,635,993.30 and 8,558,799.12

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Solution

The fourth proportional to 13,117,566.48, 19,635,993.30 and 8,558,799.12 is: 12,811,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,566.48 : 19,635,993.30 = 8,558,799.12 : x
  2. Step 2: Convert to fraction form
    13,117,566.48/19,635,993.30 = 8,558,799.12/x
  3. Step 3: Cross multiply
    13,117,566.48x = 19,635,993.30 × 8,558,799.12
  4. Step 4: Simplify right side
    13,117,566.48x = 168,060,522,176,365.88
  5. Step 5: Solve for x
    x = 168,060,522,176,365.88/13,117,566.48
  6. Step 6: Final answer
    x = 12,811,867.39

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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.