Home / 12,960,090.10-19,440,135.15-8,152,189.30

Finding the Fourth Proportional to 12,960,090.10, 19,440,135.15 and 8,152,189.30

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Solution

The fourth proportional to 12,960,090.10, 19,440,135.15 and 8,152,189.30 is: 12,228,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,090.10 : 19,440,135.15 = 8,152,189.30 : x
  2. Step 2: Convert to fraction form
    12,960,090.10/19,440,135.15 = 8,152,189.30/x
  3. Step 3: Cross multiply
    12,960,090.10x = 19,440,135.15 × 8,152,189.30
  4. Step 4: Simplify right side
    12,960,090.10x = 158,479,661,760,383.88
  5. Step 5: Solve for x
    x = 158,479,661,760,383.88/12,960,090.10
  6. Step 6: Final answer
    x = 12,228,283.95

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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.