Home / 18,818,005.86-28,219,409.37-7,297,408.26

Finding the Fourth Proportional to 18,818,005.86, 28,219,409.37 and 7,297,408.26

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Solution

The fourth proportional to 18,818,005.86, 28,219,409.37 and 7,297,408.26 is: 10,943,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818,005.86 : 28,219,409.37 = 7,297,408.26 : x
  2. Step 2: Convert to fraction form
    18,818,005.86/28,219,409.37 = 7,297,408.26/x
  3. Step 3: Cross multiply
    18,818,005.86x = 28,219,409.37 × 7,297,408.26
  4. Step 4: Simplify right side
    18,818,005.86x = 205,928,551,028,959.41
  5. Step 5: Solve for x
    x = 205,928,551,028,959.41/18,818,005.86
  6. Step 6: Final answer
    x = 10,943,165.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.