Home / 11,731,090.51-17,606,766.36-8,139,379.73

Finding the Fourth Proportional to 11,731,090.51, 17,606,766.36 and 8,139,379.73

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Solution

The fourth proportional to 11,731,090.51, 17,606,766.36 and 8,139,379.73 is: 12,216,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,090.51 : 17,606,766.36 = 8,139,379.73 : x
  2. Step 2: Convert to fraction form
    11,731,090.51/17,606,766.36 = 8,139,379.73/x
  3. Step 3: Cross multiply
    11,731,090.51x = 17,606,766.36 × 8,139,379.73
  4. Step 4: Simplify right side
    11,731,090.51x = 143,308,157,119,060.16
  5. Step 5: Solve for x
    x = 143,308,157,119,060.16/11,731,090.51
  6. Step 6: Final answer
    x = 12,216,098.50

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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.