Home / 7,145,033.51-10,717,558.64-1,957,686.97

Finding the Fourth Proportional to 7,145,033.51, 10,717,558.64 and 1,957,686.97

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Solution

The fourth proportional to 7,145,033.51, 10,717,558.64 and 1,957,686.97 is: 2,936,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,033.51 : 10,717,558.64 = 1,957,686.97 : x
  2. Step 2: Convert to fraction form
    7,145,033.51/10,717,558.64 = 1,957,686.97/x
  3. Step 3: Cross multiply
    7,145,033.51x = 10,717,558.64 × 1,957,686.97
  4. Step 4: Simplify right side
    7,145,033.51x = 20,981,624,863,156.59
  5. Step 5: Solve for x
    x = 20,981,624,863,156.59/7,145,033.51
  6. Step 6: Final answer
    x = 2,936,532.74

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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.