Home / 13,005,566.40-19,519,408.80-5,828,145.60

Finding the Fourth Proportional to 13,005,566.40, 19,519,408.80 and 5,828,145.60

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Solution

The fourth proportional to 13,005,566.40, 19,519,408.80 and 5,828,145.60 is: 8,747,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,566.40 : 19,519,408.80 = 5,828,145.60 : x
  2. Step 2: Convert to fraction form
    13,005,566.40/19,519,408.80 = 5,828,145.60/x
  3. Step 3: Cross multiply
    13,005,566.40x = 19,519,408.80 × 5,828,145.60
  4. Step 4: Simplify right side
    13,005,566.40x = 113,761,956,512,321.28
  5. Step 5: Solve for x
    x = 113,761,956,512,321.28/13,005,566.40
  6. Step 6: Final answer
    x = 8,747,174.33

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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.