Home / 12,252,570.30-18,378,855.45-10,929,872.70

Finding the Fourth Proportional to 12,252,570.30, 18,378,855.45 and 10,929,872.70

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Solution

The fourth proportional to 12,252,570.30, 18,378,855.45 and 10,929,872.70 is: 16,394,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,570.30 : 18,378,855.45 = 10,929,872.70 : x
  2. Step 2: Convert to fraction form
    12,252,570.30/18,378,855.45 = 10,929,872.70/x
  3. Step 3: Cross multiply
    12,252,570.30x = 18,378,855.45 × 10,929,872.70
  4. Step 4: Simplify right side
    12,252,570.30x = 200,878,550,440,201.19
  5. Step 5: Solve for x
    x = 200,878,550,440,201.19/12,252,570.30
  6. Step 6: Final answer
    x = 16,394,809.05

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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.