Home / 7,884,021.20-11,826,031.80-6,907,744.40

Finding the Fourth Proportional to 7,884,021.20, 11,826,031.80 and 6,907,744.40

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Solution

The fourth proportional to 7,884,021.20, 11,826,031.80 and 6,907,744.40 is: 10,361,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,021.20 : 11,826,031.80 = 6,907,744.40 : x
  2. Step 2: Convert to fraction form
    7,884,021.20/11,826,031.80 = 6,907,744.40/x
  3. Step 3: Cross multiply
    7,884,021.20x = 11,826,031.80 × 6,907,744.40
  4. Step 4: Simplify right side
    7,884,021.20x = 81,691,204,940,671.92
  5. Step 5: Solve for x
    x = 81,691,204,940,671.92/7,884,021.20
  6. Step 6: Final answer
    x = 10,361,616.60

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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.