Home / 14,789,739.88-20,410,897.22-8,174,186.02

Finding the Fourth Proportional to 14,789,739.88, 20,410,897.22 and 8,174,186.02

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Solution

The fourth proportional to 14,789,739.88, 20,410,897.22 and 8,174,186.02 is: 11,280,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789,739.88 : 20,410,897.22 = 8,174,186.02 : x
  2. Step 2: Convert to fraction form
    14,789,739.88/20,410,897.22 = 8,174,186.02/x
  3. Step 3: Cross multiply
    14,789,739.88x = 20,410,897.22 × 8,174,186.02
  4. Step 4: Simplify right side
    14,789,739.88x = 166,842,470,711,380.84
  5. Step 5: Solve for x
    x = 166,842,470,711,380.84/14,789,739.88
  6. Step 6: Final answer
    x = 11,280,960.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.