Home / 13,739,900.40-20,609,850.60-8,066,530.80

Finding the Fourth Proportional to 13,739,900.40, 20,609,850.60 and 8,066,530.80

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Solution

The fourth proportional to 13,739,900.40, 20,609,850.60 and 8,066,530.80 is: 12,099,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,900.40 : 20,609,850.60 = 8,066,530.80 : x
  2. Step 2: Convert to fraction form
    13,739,900.40/20,609,850.60 = 8,066,530.80/x
  3. Step 3: Cross multiply
    13,739,900.40x = 20,609,850.60 × 8,066,530.80
  4. Step 4: Simplify right side
    13,739,900.40x = 166,249,994,648,298.50
  5. Step 5: Solve for x
    x = 166,249,994,648,298.50/13,739,900.40
  6. Step 6: Final answer
    x = 12,099,796.20

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1.5x scale

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.