Home / 18,403,507-25,398,729.18-11,063,716.30

Finding the Fourth Proportional to 18,403,507, 25,398,729.18 and 11,063,716.30

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Solution

The fourth proportional to 18,403,507, 25,398,729.18 and 11,063,716.30 is: 15,269,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,507 : 25,398,729.18 = 11,063,716.30 : x
  2. Step 2: Convert to fraction form
    18,403,507/25,398,729.18 = 11,063,716.30/x
  3. Step 3: Cross multiply
    18,403,507x = 25,398,729.18 × 11,063,716.30
  4. Step 4: Simplify right side
    18,403,507x = 281,004,334,028,051.66
  5. Step 5: Solve for x
    x = 281,004,334,028,051.66/18,403,507
  6. Step 6: Final answer
    x = 15,269,064.42

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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.