Home / 7,938,010.20-11,907,015.30-6,146,419.80

Finding the Fourth Proportional to 7,938,010.20, 11,907,015.30 and 6,146,419.80

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Solution

The fourth proportional to 7,938,010.20, 11,907,015.30 and 6,146,419.80 is: 9,219,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,010.20 : 11,907,015.30 = 6,146,419.80 : x
  2. Step 2: Convert to fraction form
    7,938,010.20/11,907,015.30 = 6,146,419.80/x
  3. Step 3: Cross multiply
    7,938,010.20x = 11,907,015.30 × 6,146,419.80
  4. Step 4: Simplify right side
    7,938,010.20x = 73,185,514,598,822.94
  5. Step 5: Solve for x
    x = 73,185,514,598,822.94/7,938,010.20
  6. Step 6: Final answer
    x = 9,219,629.70

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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.