Home / 20,830,346.83-31,247,016.98-7,183,296.89

Finding the Fourth Proportional to 20,830,346.83, 31,247,016.98 and 7,183,296.89

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Solution

The fourth proportional to 20,830,346.83, 31,247,016.98 and 7,183,296.89 is: 10,775,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,346.83 : 31,247,016.98 = 7,183,296.89 : x
  2. Step 2: Convert to fraction form
    20,830,346.83/31,247,016.98 = 7,183,296.89/x
  3. Step 3: Cross multiply
    20,830,346.83x = 31,247,016.98 × 7,183,296.89
  4. Step 4: Simplify right side
    20,830,346.83x = 224,456,599,702,059.62
  5. Step 5: Solve for x
    x = 224,456,599,702,059.62/20,830,346.83
  6. Step 6: Final answer
    x = 10,775,461.47

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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.