Home / 12,785,415.27-19,177,991.64-7,390,633.02

Finding the Fourth Proportional to 12,785,415.27, 19,177,991.64 and 7,390,633.02

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Solution

The fourth proportional to 12,785,415.27, 19,177,991.64 and 7,390,633.02 is: 11,085,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,415.27 : 19,177,991.64 = 7,390,633.02 : x
  2. Step 2: Convert to fraction form
    12,785,415.27/19,177,991.64 = 7,390,633.02/x
  3. Step 3: Cross multiply
    12,785,415.27x = 19,177,991.64 × 7,390,633.02
  4. Step 4: Simplify right side
    12,785,415.27x = 141,737,498,271,867.94
  5. Step 5: Solve for x
    x = 141,737,498,271,867.94/12,785,415.27
  6. Step 6: Final answer
    x = 11,085,873.65

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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.