Home / 10,893,315.20-16,339,972.80-2,915,139.20

Finding the Fourth Proportional to 10,893,315.20, 16,339,972.80 and 2,915,139.20

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Solution

The fourth proportional to 10,893,315.20, 16,339,972.80 and 2,915,139.20 is: 4,372,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893,315.20 : 16,339,972.80 = 2,915,139.20 : x
  2. Step 2: Convert to fraction form
    10,893,315.20/16,339,972.80 = 2,915,139.20/x
  3. Step 3: Cross multiply
    10,893,315.20x = 16,339,972.80 × 2,915,139.20
  4. Step 4: Simplify right side
    10,893,315.20x = 47,633,295,236,213.77
  5. Step 5: Solve for x
    x = 47,633,295,236,213.77/10,893,315.20
  6. Step 6: Final answer
    x = 4,372,708.80

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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.