Home / 13,231,868.80-19,847,803.20-12,671,996.80

Finding the Fourth Proportional to 13,231,868.80, 19,847,803.20 and 12,671,996.80

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Solution

The fourth proportional to 13,231,868.80, 19,847,803.20 and 12,671,996.80 is: 19,007,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,868.80 : 19,847,803.20 = 12,671,996.80 : x
  2. Step 2: Convert to fraction form
    13,231,868.80/19,847,803.20 = 12,671,996.80/x
  3. Step 3: Cross multiply
    13,231,868.80x = 19,847,803.20 × 12,671,996.80
  4. Step 4: Simplify right side
    13,231,868.80x = 251,511,298,637,429.75
  5. Step 5: Solve for x
    x = 251,511,298,637,429.75/13,231,868.80
  6. Step 6: Final answer
    x = 19,007,995.20

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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.