Home / 14,223,122.63-19,621,654.40-8,339,753.78

Finding the Fourth Proportional to 14,223,122.63, 19,621,654.40 and 8,339,753.78

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Solution

The fourth proportional to 14,223,122.63, 19,621,654.40 and 8,339,753.78 is: 11,505,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,122.63 : 19,621,654.40 = 8,339,753.78 : x
  2. Step 2: Convert to fraction form
    14,223,122.63/19,621,654.40 = 8,339,753.78/x
  3. Step 3: Cross multiply
    14,223,122.63x = 19,621,654.40 × 8,339,753.78
  4. Step 4: Simplify right side
    14,223,122.63x = 163,639,766,354,145.34
  5. Step 5: Solve for x
    x = 163,639,766,354,145.34/14,223,122.63
  6. Step 6: Final answer
    x = 11,505,192.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.