Home / 13,573,805-18,732,238.62-8,275,805.72

Finding the Fourth Proportional to 13,573,805, 18,732,238.62 and 8,275,805.72

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Solution

The fourth proportional to 13,573,805, 18,732,238.62 and 8,275,805.72 is: 11,420,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,805 : 18,732,238.62 = 8,275,805.72 : x
  2. Step 2: Convert to fraction form
    13,573,805/18,732,238.62 = 8,275,805.72/x
  3. Step 3: Cross multiply
    13,573,805x = 18,732,238.62 × 8,275,805.72
  4. Step 4: Simplify right side
    13,573,805x = 155,024,367,519,800.91
  5. Step 5: Solve for x
    x = 155,024,367,519,800.91/13,573,805
  6. Step 6: Final answer
    x = 11,420,848.28

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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.