Home / 9,978,665.60-14,967,998.40-6,790,019.60

Finding the Fourth Proportional to 9,978,665.60, 14,967,998.40 and 6,790,019.60

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Solution

The fourth proportional to 9,978,665.60, 14,967,998.40 and 6,790,019.60 is: 10,185,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,665.60 : 14,967,998.40 = 6,790,019.60 : x
  2. Step 2: Convert to fraction form
    9,978,665.60/14,967,998.40 = 6,790,019.60/x
  3. Step 3: Cross multiply
    9,978,665.60x = 14,967,998.40 × 6,790,019.60
  4. Step 4: Simplify right side
    9,978,665.60x = 101,633,002,508,768.64
  5. Step 5: Solve for x
    x = 101,633,002,508,768.64/9,978,665.60
  6. Step 6: Final answer
    x = 10,185,029.40

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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.