Home / 14,266,542.42-21,371,470.11-7,860,906.90

Finding the Fourth Proportional to 14,266,542.42, 21,371,470.11 and 7,860,906.90

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Solution

The fourth proportional to 14,266,542.42, 21,371,470.11 and 7,860,906.90 is: 11,775,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266,542.42 : 21,371,470.11 = 7,860,906.90 : x
  2. Step 2: Convert to fraction form
    14,266,542.42/21,371,470.11 = 7,860,906.90/x
  3. Step 3: Cross multiply
    14,266,542.42x = 21,371,470.11 × 7,860,906.90
  4. Step 4: Simplify right side
    14,266,542.42x = 167,999,136,758,109.56
  5. Step 5: Solve for x
    x = 167,999,136,758,109.56/14,266,542.42
  6. Step 6: Final answer
    x = 11,775,742.98

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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.