Home / 20,830,346.58-31,247,016.60-7,183,296.64

Finding the Fourth Proportional to 20,830,346.58, 31,247,016.60 and 7,183,296.64

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Solution

The fourth proportional to 20,830,346.58, 31,247,016.60 and 7,183,296.64 is: 10,775,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,346.58 : 31,247,016.60 = 7,183,296.64 : x
  2. Step 2: Convert to fraction form
    20,830,346.58/31,247,016.60 = 7,183,296.64/x
  3. Step 3: Cross multiply
    20,830,346.58x = 31,247,016.60 × 7,183,296.64
  4. Step 4: Simplify right side
    20,830,346.58x = 224,456,589,196,569.16
  5. Step 5: Solve for x
    x = 224,456,589,196,569.16/20,830,346.58
  6. Step 6: Final answer
    x = 10,775,461.10

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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.