Home / 12,954,666.40-19,431,999.60-3,979,218.40

Finding the Fourth Proportional to 12,954,666.40, 19,431,999.60 and 3,979,218.40

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Solution

The fourth proportional to 12,954,666.40, 19,431,999.60 and 3,979,218.40 is: 5,968,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,666.40 : 19,431,999.60 = 3,979,218.40 : x
  2. Step 2: Convert to fraction form
    12,954,666.40/19,431,999.60 = 3,979,218.40/x
  3. Step 3: Cross multiply
    12,954,666.40x = 19,431,999.60 × 3,979,218.40
  4. Step 4: Simplify right side
    12,954,666.40x = 77,324,170,357,112.64
  5. Step 5: Solve for x
    x = 77,324,170,357,112.64/12,954,666.40
  6. Step 6: Final answer
    x = 5,968,827.60

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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.