Home / 13,612,991.76-18,786,054.60-7,501,638.96

Finding the Fourth Proportional to 13,612,991.76, 18,786,054.60 and 7,501,638.96

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Solution

The fourth proportional to 13,612,991.76, 18,786,054.60 and 7,501,638.96 is: 10,352,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,991.76 : 18,786,054.60 = 7,501,638.96 : x
  2. Step 2: Convert to fraction form
    13,612,991.76/18,786,054.60 = 7,501,638.96/x
  3. Step 3: Cross multiply
    13,612,991.76x = 18,786,054.60 × 7,501,638.96
  4. Step 4: Simplify right side
    13,612,991.76x = 140,926,199,092,047.22
  5. Step 5: Solve for x
    x = 140,926,199,092,047.22/13,612,991.76
  6. Step 6: Final answer
    x = 10,352,331.18

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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.