Home / 13,451,812.20-20,180,342.70-5,775,442.20

Finding the Fourth Proportional to 13,451,812.20, 20,180,342.70 and 5,775,442.20

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Solution

The fourth proportional to 13,451,812.20, 20,180,342.70 and 5,775,442.20 is: 8,664,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,812.20 : 20,180,342.70 = 5,775,442.20 : x
  2. Step 2: Convert to fraction form
    13,451,812.20/20,180,342.70 = 5,775,442.20/x
  3. Step 3: Cross multiply
    13,451,812.20x = 20,180,342.70 × 5,775,442.20
  4. Step 4: Simplify right side
    13,451,812.20x = 116,550,402,840,041.94
  5. Step 5: Solve for x
    x = 116,550,402,840,041.94/13,451,812.20
  6. Step 6: Final answer
    x = 8,664,290.07

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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.