Home / 12,945,323.40-19,430,426.70-6,562,782.60

Finding the Fourth Proportional to 12,945,323.40, 19,430,426.70 and 6,562,782.60

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Solution

The fourth proportional to 12,945,323.40, 19,430,426.70 and 6,562,782.60 is: 9,850,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,323.40 : 19,430,426.70 = 6,562,782.60 : x
  2. Step 2: Convert to fraction form
    12,945,323.40/19,430,426.70 = 6,562,782.60/x
  3. Step 3: Cross multiply
    12,945,323.40x = 19,430,426.70 × 6,562,782.60
  4. Step 4: Simplify right side
    12,945,323.40x = 127,517,666,257,335.41
  5. Step 5: Solve for x
    x = 127,517,666,257,335.41/12,945,323.40
  6. Step 6: Final answer
    x = 9,850,481.31

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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.