Home / 18,895,356.36-26,066,611.08-11,155,213.44

Finding the Fourth Proportional to 18,895,356.36, 26,066,611.08 and 11,155,213.44

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Solution

The fourth proportional to 18,895,356.36, 26,066,611.08 and 11,155,213.44 is: 15,388,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,356.36 : 26,066,611.08 = 11,155,213.44 : x
  2. Step 2: Convert to fraction form
    18,895,356.36/26,066,611.08 = 11,155,213.44/x
  3. Step 3: Cross multiply
    18,895,356.36x = 26,066,611.08 × 11,155,213.44
  4. Step 4: Simplify right side
    18,895,356.36x = 290,778,610,254,868.88
  5. Step 5: Solve for x
    x = 290,778,610,254,868.88/18,895,356.36
  6. Step 6: Final answer
    x = 15,388,892.63

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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.