Home / 13,135,512.24-18,117,030.84-11,303,041.20

Finding the Fourth Proportional to 13,135,512.24, 18,117,030.84 and 11,303,041.20

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Solution

The fourth proportional to 13,135,512.24, 18,117,030.84 and 11,303,041.20 is: 15,589,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,512.24 : 18,117,030.84 = 11,303,041.20 : x
  2. Step 2: Convert to fraction form
    13,135,512.24/18,117,030.84 = 11,303,041.20/x
  3. Step 3: Cross multiply
    13,135,512.24x = 18,117,030.84 × 11,303,041.20
  4. Step 4: Simplify right side
    13,135,512.24x = 204,777,546,006,190.59
  5. Step 5: Solve for x
    x = 204,777,546,006,190.59/13,135,512.24
  6. Step 6: Final answer
    x = 15,589,612.51

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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.