Home / 15,877,429.80-23,780,715.30-12,271,504.20

Finding the Fourth Proportional to 15,877,429.80, 23,780,715.30 and 12,271,504.20

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Solution

The fourth proportional to 15,877,429.80, 23,780,715.30 and 12,271,504.20 is: 18,379,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877,429.80 : 23,780,715.30 = 12,271,504.20 : x
  2. Step 2: Convert to fraction form
    15,877,429.80/23,780,715.30 = 12,271,504.20/x
  3. Step 3: Cross multiply
    15,877,429.80x = 23,780,715.30 × 12,271,504.20
  4. Step 4: Simplify right side
    15,877,429.80x = 291,825,147,682,954.25
  5. Step 5: Solve for x
    x = 291,825,147,682,954.25/15,877,429.80
  6. Step 6: Final answer
    x = 18,379,873.28

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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.