Home / 13,580,449.40-20,379,647.70-6,394,038.20

Finding the Fourth Proportional to 13,580,449.40, 20,379,647.70 and 6,394,038.20

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Solution

The fourth proportional to 13,580,449.40, 20,379,647.70 and 6,394,038.20 is: 9,595,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,449.40 : 20,379,647.70 = 6,394,038.20 : x
  2. Step 2: Convert to fraction form
    13,580,449.40/20,379,647.70 = 6,394,038.20/x
  3. Step 3: Cross multiply
    13,580,449.40x = 20,379,647.70 × 6,394,038.20
  4. Step 4: Simplify right side
    13,580,449.40x = 130,308,245,896,342.14
  5. Step 5: Solve for x
    x = 130,308,245,896,342.14/13,580,449.40
  6. Step 6: Final answer
    x = 9,595,282.31

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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.