Home / 18,103,612.20-27,119,988.90-10,893,729.30

Finding the Fourth Proportional to 18,103,612.20, 27,119,988.90 and 10,893,729.30

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Solution

The fourth proportional to 18,103,612.20, 27,119,988.90 and 10,893,729.30 is: 16,319,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,612.20 : 27,119,988.90 = 10,893,729.30 : x
  2. Step 2: Convert to fraction form
    18,103,612.20/27,119,988.90 = 10,893,729.30/x
  3. Step 3: Cross multiply
    18,103,612.20x = 27,119,988.90 × 10,893,729.30
  4. Step 4: Simplify right side
    18,103,612.20x = 295,437,817,695,604.75
  5. Step 5: Solve for x
    x = 295,437,817,695,604.75/18,103,612.20
  6. Step 6: Final answer
    x = 16,319,274.54

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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.