Home / 12,261,756.80-18,392,635.20-6,953,340.80

Finding the Fourth Proportional to 12,261,756.80, 18,392,635.20 and 6,953,340.80

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Solution

The fourth proportional to 12,261,756.80, 18,392,635.20 and 6,953,340.80 is: 10,430,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,756.80 : 18,392,635.20 = 6,953,340.80 : x
  2. Step 2: Convert to fraction form
    12,261,756.80/18,392,635.20 = 6,953,340.80/x
  3. Step 3: Cross multiply
    12,261,756.80x = 18,392,635.20 × 6,953,340.80
  4. Step 4: Simplify right side
    12,261,756.80x = 127,890,260,755,676.16
  5. Step 5: Solve for x
    x = 127,890,260,755,676.16/12,261,756.80
  6. Step 6: Final answer
    x = 10,430,011.20

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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.