Home / 11,089,507.72-16,565,107.82-8,216,485.91

Finding the Fourth Proportional to 11,089,507.72, 16,565,107.82 and 8,216,485.91

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Solution

The fourth proportional to 11,089,507.72, 16,565,107.82 and 8,216,485.91 is: 12,273,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089,507.72 : 16,565,107.82 = 8,216,485.91 : x
  2. Step 2: Convert to fraction form
    11,089,507.72/16,565,107.82 = 8,216,485.91/x
  3. Step 3: Cross multiply
    11,089,507.72x = 16,565,107.82 × 8,216,485.91
  4. Step 4: Simplify right side
    11,089,507.72x = 136,106,974,876,752.84
  5. Step 5: Solve for x
    x = 136,106,974,876,752.84/11,089,507.72
  6. Step 6: Final answer
    x = 12,273,491.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.