Home / 7,207,835.20-10,811,752.80-2,158,489.60

Finding the Fourth Proportional to 7,207,835.20, 10,811,752.80 and 2,158,489.60

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Solution

The fourth proportional to 7,207,835.20, 10,811,752.80 and 2,158,489.60 is: 3,237,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,835.20 : 10,811,752.80 = 2,158,489.60 : x
  2. Step 2: Convert to fraction form
    7,207,835.20/10,811,752.80 = 2,158,489.60/x
  3. Step 3: Cross multiply
    7,207,835.20x = 10,811,752.80 × 2,158,489.60
  4. Step 4: Simplify right side
    7,207,835.20x = 23,337,055,976,570.88
  5. Step 5: Solve for x
    x = 23,337,055,976,570.88/7,207,835.20
  6. Step 6: Final answer
    x = 3,237,734.40

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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.