Home / 13,353,396.60-20,030,094.90-12,396,802.80

Finding the Fourth Proportional to 13,353,396.60, 20,030,094.90 and 12,396,802.80

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Solution

The fourth proportional to 13,353,396.60, 20,030,094.90 and 12,396,802.80 is: 18,595,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,396.60 : 20,030,094.90 = 12,396,802.80 : x
  2. Step 2: Convert to fraction form
    13,353,396.60/20,030,094.90 = 12,396,802.80/x
  3. Step 3: Cross multiply
    13,353,396.60x = 20,030,094.90 × 12,396,802.80
  4. Step 4: Simplify right side
    13,353,396.60x = 248,309,136,540,585.72
  5. Step 5: Solve for x
    x = 248,309,136,540,585.72/13,353,396.60
  6. Step 6: Final answer
    x = 18,595,204.20

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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.