Home / 12,476,617.40-18,714,926.10-3,957,620.60

Finding the Fourth Proportional to 12,476,617.40, 18,714,926.10 and 3,957,620.60

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Solution

The fourth proportional to 12,476,617.40, 18,714,926.10 and 3,957,620.60 is: 5,936,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,617.40 : 18,714,926.10 = 3,957,620.60 : x
  2. Step 2: Convert to fraction form
    12,476,617.40/18,714,926.10 = 3,957,620.60/x
  3. Step 3: Cross multiply
    12,476,617.40x = 18,714,926.10 × 3,957,620.60
  4. Step 4: Simplify right side
    12,476,617.40x = 74,066,577,060,837.67
  5. Step 5: Solve for x
    x = 74,066,577,060,837.67/12,476,617.40
  6. Step 6: Final answer
    x = 5,936,430.90

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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.