Home / 13,518,941.63-20,280,954.83-5,432,558.33

Finding the Fourth Proportional to 13,518,941.63, 20,280,954.83 and 5,432,558.33

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Solution

The fourth proportional to 13,518,941.63, 20,280,954.83 and 5,432,558.33 is: 8,149,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,941.63 : 20,280,954.83 = 5,432,558.33 : x
  2. Step 2: Convert to fraction form
    13,518,941.63/20,280,954.83 = 5,432,558.33/x
  3. Step 3: Cross multiply
    13,518,941.63x = 20,280,954.83 × 5,432,558.33
  4. Step 4: Simplify right side
    13,518,941.63x = 110,177,470,125,609.81
  5. Step 5: Solve for x
    x = 110,177,470,125,609.81/13,518,941.63
  6. Step 6: Final answer
    x = 8,149,859.15

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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.