Home / 13,353,406.60-20,030,109.90-12,396,812.80

Finding the Fourth Proportional to 13,353,406.60, 20,030,109.90 and 12,396,812.80

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Solution

The fourth proportional to 13,353,406.60, 20,030,109.90 and 12,396,812.80 is: 18,595,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,406.60 : 20,030,109.90 = 12,396,812.80 : x
  2. Step 2: Convert to fraction form
    13,353,406.60/20,030,109.90 = 12,396,812.80/x
  3. Step 3: Cross multiply
    13,353,406.60x = 20,030,109.90 × 12,396,812.80
  4. Step 4: Simplify right side
    13,353,406.60x = 248,309,522,793,726.72
  5. Step 5: Solve for x
    x = 248,309,522,793,726.72/13,353,406.60
  6. Step 6: Final answer
    x = 18,595,219.20

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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.