Home / 45,575,685.20-68,352,796.92-13,219,049.36

Finding the Fourth Proportional to 45,575,685.20, 68,352,796.92 and 13,219,049.36

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Solution

The fourth proportional to 45,575,685.20, 68,352,796.92 and 13,219,049.36 is: 19,825,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575,685.20 : 68,352,796.92 = 13,219,049.36 : x
  2. Step 2: Convert to fraction form
    45,575,685.20/68,352,796.92 = 13,219,049.36/x
  3. Step 3: Cross multiply
    45,575,685.20x = 68,352,796.92 × 13,219,049.36
  4. Step 4: Simplify right side
    45,575,685.20x = 903,558,996,379,536
  5. Step 5: Solve for x
    x = 903,558,996,379,536/45,575,685.20
  6. Step 6: Final answer
    x = 19,825,461.59

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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.