Home / 12,513,663.09-18,748,418.67-10,959,314.81

Finding the Fourth Proportional to 12,513,663.09, 18,748,418.67 and 10,959,314.81

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Solution

The fourth proportional to 12,513,663.09, 18,748,418.67 and 10,959,314.81 is: 16,419,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,663.09 : 18,748,418.67 = 10,959,314.81 : x
  2. Step 2: Convert to fraction form
    12,513,663.09/18,748,418.67 = 10,959,314.81/x
  3. Step 3: Cross multiply
    12,513,663.09x = 18,748,418.67 × 10,959,314.81
  4. Step 4: Simplify right side
    12,513,663.09x = 205,469,822,300,469.44
  5. Step 5: Solve for x
    x = 205,469,822,300,469.44/12,513,663.09
  6. Step 6: Final answer
    x = 16,419,638.34

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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.