Home / 13,676,933.68-18,775,333.40-11,739,831.28

Finding the Fourth Proportional to 13,676,933.68, 18,775,333.40 and 11,739,831.28

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Solution

The fourth proportional to 13,676,933.68, 18,775,333.40 and 11,739,831.28 is: 16,116,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,933.68 : 18,775,333.40 = 11,739,831.28 : x
  2. Step 2: Convert to fraction form
    13,676,933.68/18,775,333.40 = 11,739,831.28/x
  3. Step 3: Cross multiply
    13,676,933.68x = 18,775,333.40 × 11,739,831.28
  4. Step 4: Simplify right side
    13,676,933.68x = 220,419,246,341,748.72
  5. Step 5: Solve for x
    x = 220,419,246,341,748.72/13,676,933.68
  6. Step 6: Final answer
    x = 16,116,130.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.