Home / 13,881,942.60-20,814,165.90-5,800,540.20

Finding the Fourth Proportional to 13,881,942.60, 20,814,165.90 and 5,800,540.20

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Solution

The fourth proportional to 13,881,942.60, 20,814,165.90 and 5,800,540.20 is: 8,697,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881,942.60 : 20,814,165.90 = 5,800,540.20 : x
  2. Step 2: Convert to fraction form
    13,881,942.60/20,814,165.90 = 5,800,540.20/x
  3. Step 3: Cross multiply
    13,881,942.60x = 20,814,165.90 × 5,800,540.20
  4. Step 4: Simplify right side
    13,881,942.60x = 120,733,406,032,419.17
  5. Step 5: Solve for x
    x = 120,733,406,032,419.17/13,881,942.60
  6. Step 6: Final answer
    x = 8,697,154.97

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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.