Home / 20,795,531.04-31,200,683.76-9,279,950.58

Finding the Fourth Proportional to 20,795,531.04, 31,200,683.76 and 9,279,950.58

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Solution

The fourth proportional to 20,795,531.04, 31,200,683.76 and 9,279,950.58 is: 13,923,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,531.04 : 31,200,683.76 = 9,279,950.58 : x
  2. Step 2: Convert to fraction form
    20,795,531.04/31,200,683.76 = 9,279,950.58/x
  3. Step 3: Cross multiply
    20,795,531.04x = 31,200,683.76 × 9,279,950.58
  4. Step 4: Simplify right side
    20,795,531.04x = 289,540,803,355,008.62
  5. Step 5: Solve for x
    x = 289,540,803,355,008.62/20,795,531.04
  6. Step 6: Final answer
    x = 13,923,222.39

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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.