Home / 14,042,145.60-21,078,964.80-10,861,372.80

Finding the Fourth Proportional to 14,042,145.60, 21,078,964.80 and 10,861,372.80

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Solution

The fourth proportional to 14,042,145.60, 21,078,964.80 and 10,861,372.80 is: 16,304,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,145.60 : 21,078,964.80 = 10,861,372.80 : x
  2. Step 2: Convert to fraction form
    14,042,145.60/21,078,964.80 = 10,861,372.80/x
  3. Step 3: Cross multiply
    14,042,145.60x = 21,078,964.80 × 10,861,372.80
  4. Step 4: Simplify right side
    14,042,145.60x = 228,946,494,930,877.47
  5. Step 5: Solve for x
    x = 228,946,494,930,877.47/14,042,145.60
  6. Step 6: Final answer
    x = 16,304,238.79

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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.