Home / 19,854,604.56-27,390,855.27-12,399,323.66

Finding the Fourth Proportional to 19,854,604.56, 27,390,855.27 and 12,399,323.66

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Solution

The fourth proportional to 19,854,604.56, 27,390,855.27 and 12,399,323.66 is: 17,105,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854,604.56 : 27,390,855.27 = 12,399,323.66 : x
  2. Step 2: Convert to fraction form
    19,854,604.56/27,390,855.27 = 12,399,323.66/x
  3. Step 3: Cross multiply
    19,854,604.56x = 27,390,855.27 × 12,399,323.66
  4. Step 4: Simplify right side
    19,854,604.56x = 339,628,079,816,946.69
  5. Step 5: Solve for x
    x = 339,628,079,816,946.69/19,854,604.56
  6. Step 6: Final answer
    x = 17,105,758.96

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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.