Home / 12,900,611.48-17,802,846.32-7,099,393.16

Finding the Fourth Proportional to 12,900,611.48, 17,802,846.32 and 7,099,393.16

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Solution

The fourth proportional to 12,900,611.48, 17,802,846.32 and 7,099,393.16 is: 9,797,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,611.48 : 17,802,846.32 = 7,099,393.16 : x
  2. Step 2: Convert to fraction form
    12,900,611.48/17,802,846.32 = 7,099,393.16/x
  3. Step 3: Cross multiply
    12,900,611.48x = 17,802,846.32 × 7,099,393.16
  4. Step 4: Simplify right side
    12,900,611.48x = 126,389,405,392,739.17
  5. Step 5: Solve for x
    x = 126,389,405,392,739.17/12,900,611.48
  6. Step 6: Final answer
    x = 9,797,163.92

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1.5x scale

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.