Home / 11,142,759.72-16,717,878.54-4,319,555.52

Finding the Fourth Proportional to 11,142,759.72, 16,717,878.54 and 4,319,555.52

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Solution

The fourth proportional to 11,142,759.72, 16,717,878.54 and 4,319,555.52 is: 6,480,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,759.72 : 16,717,878.54 = 4,319,555.52 : x
  2. Step 2: Convert to fraction form
    11,142,759.72/16,717,878.54 = 4,319,555.52/x
  3. Step 3: Cross multiply
    11,142,759.72x = 16,717,878.54 × 4,319,555.52
  4. Step 4: Simplify right side
    11,142,759.72x = 72,213,804,530,146.53
  5. Step 5: Solve for x
    x = 72,213,804,530,146.53/11,142,759.72
  6. Step 6: Final answer
    x = 6,480,782.71

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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.