Home / 11,640,919.79-16,064,485.25-6,342,588.36

Finding the Fourth Proportional to 11,640,919.79, 16,064,485.25 and 6,342,588.36

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Solution

The fourth proportional to 11,640,919.79, 16,064,485.25 and 6,342,588.36 is: 8,752,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640,919.79 : 16,064,485.25 = 6,342,588.36 : x
  2. Step 2: Convert to fraction form
    11,640,919.79/16,064,485.25 = 6,342,588.36/x
  3. Step 3: Cross multiply
    11,640,919.79x = 16,064,485.25 × 6,342,588.36
  4. Step 4: Simplify right side
    11,640,919.79x = 101,890,417,124,328.75
  5. Step 5: Solve for x
    x = 101,890,417,124,328.75/11,640,919.79
  6. Step 6: Final answer
    x = 8,752,780.62

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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.