Home / 20,308,087.05-28,024,994.26-11,015,633.86

Finding the Fourth Proportional to 20,308,087.05, 28,024,994.26 and 11,015,633.86

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Solution

The fourth proportional to 20,308,087.05, 28,024,994.26 and 11,015,633.86 is: 15,201,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308,087.05 : 28,024,994.26 = 11,015,633.86 : x
  2. Step 2: Convert to fraction form
    20,308,087.05/28,024,994.26 = 11,015,633.86/x
  3. Step 3: Cross multiply
    20,308,087.05x = 28,024,994.26 × 11,015,633.86
  4. Step 4: Simplify right side
    20,308,087.05x = 308,713,075,696,761.62
  5. Step 5: Solve for x
    x = 308,713,075,696,761.62/20,308,087.05
  6. Step 6: Final answer
    x = 15,201,484.76

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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.