Home / 13,340,489.60-20,029,396.80-8,301,641.60

Finding the Fourth Proportional to 13,340,489.60, 20,029,396.80 and 8,301,641.60

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Solution

The fourth proportional to 13,340,489.60, 20,029,396.80 and 8,301,641.60 is: 12,464,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340,489.60 : 20,029,396.80 = 8,301,641.60 : x
  2. Step 2: Convert to fraction form
    13,340,489.60/20,029,396.80 = 8,301,641.60/x
  3. Step 3: Cross multiply
    13,340,489.60x = 20,029,396.80 × 8,301,641.60
  4. Step 4: Simplify right side
    13,340,489.60x = 166,276,873,697,786.88
  5. Step 5: Solve for x
    x = 166,276,873,697,786.88/13,340,489.60
  6. Step 6: Final answer
    x = 12,464,075.81

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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.