Home / 34,313,897.20-51,470,845.80-20,709,007.60

Finding the Fourth Proportional to 34,313,897.20, 51,470,845.80 and 20,709,007.60

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Solution

The fourth proportional to 34,313,897.20, 51,470,845.80 and 20,709,007.60 is: 31,063,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313,897.20 : 51,470,845.80 = 20,709,007.60 : x
  2. Step 2: Convert to fraction form
    34,313,897.20/51,470,845.80 = 20,709,007.60/x
  3. Step 3: Cross multiply
    34,313,897.20x = 51,470,845.80 × 20,709,007.60
  4. Step 4: Simplify right side
    34,313,897.20x = 1,065,910,136,850,628.12
  5. Step 5: Solve for x
    x = 1,065,910,136,850,628.12/34,313,897.20
  6. Step 6: Final answer
    x = 31,063,511.40

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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.