Home / 12,734,319.60-19,083,983.40-8,171,362.80

Finding the Fourth Proportional to 12,734,319.60, 19,083,983.40 and 8,171,362.80

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Solution

The fourth proportional to 12,734,319.60, 19,083,983.40 and 8,171,362.80 is: 12,245,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734,319.60 : 19,083,983.40 = 8,171,362.80 : x
  2. Step 2: Convert to fraction form
    12,734,319.60/19,083,983.40 = 8,171,362.80/x
  3. Step 3: Cross multiply
    12,734,319.60x = 19,083,983.40 × 8,171,362.80
  4. Step 4: Simplify right side
    12,734,319.60x = 155,942,152,030,577.50
  5. Step 5: Solve for x
    x = 155,942,152,030,577.50/12,734,319.60
  6. Step 6: Final answer
    x = 12,245,817.36

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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.