Home / 12,686,393.32-17,507,234.79-6,885,176.56

Finding the Fourth Proportional to 12,686,393.32, 17,507,234.79 and 6,885,176.56

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Solution

The fourth proportional to 12,686,393.32, 17,507,234.79 and 6,885,176.56 is: 9,501,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,393.32 : 17,507,234.79 = 6,885,176.56 : x
  2. Step 2: Convert to fraction form
    12,686,393.32/17,507,234.79 = 6,885,176.56/x
  3. Step 3: Cross multiply
    12,686,393.32x = 17,507,234.79 × 6,885,176.56
  4. Step 4: Simplify right side
    12,686,393.32x = 120,540,402,562,756.44
  5. Step 5: Solve for x
    x = 120,540,402,562,756.44/12,686,393.32
  6. Step 6: Final answer
    x = 9,501,550.17

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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.