Home / 13,819,722.60-20,723,363.10-5,297,226.60

Finding the Fourth Proportional to 13,819,722.60, 20,723,363.10 and 5,297,226.60

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Solution

The fourth proportional to 13,819,722.60, 20,723,363.10 and 5,297,226.60 is: 7,943,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,722.60 : 20,723,363.10 = 5,297,226.60 : x
  2. Step 2: Convert to fraction form
    13,819,722.60/20,723,363.10 = 5,297,226.60/x
  3. Step 3: Cross multiply
    13,819,722.60x = 20,723,363.10 × 5,297,226.60
  4. Step 4: Simplify right side
    13,819,722.60x = 109,776,350,254,778.45
  5. Step 5: Solve for x
    x = 109,776,350,254,778.45/13,819,722.60
  6. Step 6: Final answer
    x = 7,943,455.41

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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.