Home / 14,789,712.93-20,410,859.96-8,174,159.22

Finding the Fourth Proportional to 14,789,712.93, 20,410,859.96 and 8,174,159.22

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Solution

The fourth proportional to 14,789,712.93, 20,410,859.96 and 8,174,159.22 is: 11,280,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789,712.93 : 20,410,859.96 = 8,174,159.22 : x
  2. Step 2: Convert to fraction form
    14,789,712.93/20,410,859.96 = 8,174,159.22/x
  3. Step 3: Cross multiply
    14,789,712.93x = 20,410,859.96 × 8,174,159.22
  4. Step 4: Simplify right side
    14,789,712.93x = 166,841,619,130,162.84
  5. Step 5: Solve for x
    x = 166,841,619,130,162.84/14,789,712.93
  6. Step 6: Final answer
    x = 11,280,923.43

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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.