Home / 13,715,020.76-18,926,511.96-7,520,118.41

Finding the Fourth Proportional to 13,715,020.76, 18,926,511.96 and 7,520,118.41

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Solution

The fourth proportional to 13,715,020.76, 18,926,511.96 and 7,520,118.41 is: 10,377,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,020.76 : 18,926,511.96 = 7,520,118.41 : x
  2. Step 2: Convert to fraction form
    13,715,020.76/18,926,511.96 = 7,520,118.41/x
  3. Step 3: Cross multiply
    13,715,020.76x = 18,926,511.96 × 7,520,118.41
  4. Step 4: Simplify right side
    13,715,020.76x = 142,329,610,932,848.62
  5. Step 5: Solve for x
    x = 142,329,610,932,848.62/13,715,020.76
  6. Step 6: Final answer
    x = 10,377,644.59

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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.