Home / 21,304,847.80-31,957,271.70-6,928,384.60

Finding the Fourth Proportional to 21,304,847.80, 31,957,271.70 and 6,928,384.60

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Solution

The fourth proportional to 21,304,847.80, 31,957,271.70 and 6,928,384.60 is: 10,392,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,847.80 : 31,957,271.70 = 6,928,384.60 : x
  2. Step 2: Convert to fraction form
    21,304,847.80/31,957,271.70 = 6,928,384.60/x
  3. Step 3: Cross multiply
    21,304,847.80x = 31,957,271.70 × 6,928,384.60
  4. Step 4: Simplify right side
    21,304,847.80x = 221,412,269,104,295.81
  5. Step 5: Solve for x
    x = 221,412,269,104,295.81/21,304,847.80
  6. Step 6: Final answer
    x = 10,392,576.90

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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.