Home / 14,861,395.20-20,500,015.40-9,346,021.76

Finding the Fourth Proportional to 14,861,395.20, 20,500,015.40 and 9,346,021.76

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Solution

The fourth proportional to 14,861,395.20, 20,500,015.40 and 9,346,021.76 is: 12,892,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861,395.20 : 20,500,015.40 = 9,346,021.76 : x
  2. Step 2: Convert to fraction form
    14,861,395.20/20,500,015.40 = 9,346,021.76/x
  3. Step 3: Cross multiply
    14,861,395.20x = 20,500,015.40 × 9,346,021.76
  4. Step 4: Simplify right side
    14,861,395.20x = 191,593,590,008,735.09
  5. Step 5: Solve for x
    x = 191,593,590,008,735.09/14,861,395.20
  6. Step 6: Final answer
    x = 12,892,032.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.