Home / 14,007,874.92-20,968,716.97-9,139,699.07

Finding the Fourth Proportional to 14,007,874.92, 20,968,716.97 and 9,139,699.07

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Solution

The fourth proportional to 14,007,874.92, 20,968,716.97 and 9,139,699.07 is: 13,681,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007,874.92 : 20,968,716.97 = 9,139,699.07 : x
  2. Step 2: Convert to fraction form
    14,007,874.92/20,968,716.97 = 9,139,699.07/x
  3. Step 3: Cross multiply
    14,007,874.92x = 20,968,716.97 × 9,139,699.07
  4. Step 4: Simplify right side
    14,007,874.92x = 191,647,763,019,374.78
  5. Step 5: Solve for x
    x = 191,647,763,019,374.78/14,007,874.92
  6. Step 6: Final answer
    x = 13,681,430.20

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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.