Home / 9,731,976.40-13,429,584.72-5,380,801.36

Finding the Fourth Proportional to 9,731,976.40, 13,429,584.72 and 5,380,801.36

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Solution

The fourth proportional to 9,731,976.40, 13,429,584.72 and 5,380,801.36 is: 7,425,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731,976.40 : 13,429,584.72 = 5,380,801.36 : x
  2. Step 2: Convert to fraction form
    9,731,976.40/13,429,584.72 = 5,380,801.36/x
  3. Step 3: Cross multiply
    9,731,976.40x = 13,429,584.72 × 5,380,801.36
  4. Step 4: Simplify right side
    9,731,976.40x = 72,261,927,725,611.23
  5. Step 5: Solve for x
    x = 72,261,927,725,611.23/9,731,976.40
  6. Step 6: Final answer
    x = 7,425,205.81

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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.