Home / 12,868,902.89-19,303,338.80-3,284,282.45

Finding the Fourth Proportional to 12,868,902.89, 19,303,338.80 and 3,284,282.45

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Solution

The fourth proportional to 12,868,902.89, 19,303,338.80 and 3,284,282.45 is: 4,926,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,902.89 : 19,303,338.80 = 3,284,282.45 : x
  2. Step 2: Convert to fraction form
    12,868,902.89/19,303,338.80 = 3,284,282.45/x
  3. Step 3: Cross multiply
    12,868,902.89x = 19,303,338.80 × 3,284,282.45
  4. Step 4: Simplify right side
    12,868,902.89x = 63,397,616,785,896.43
  5. Step 5: Solve for x
    x = 63,397,616,785,896.43/12,868,902.89
  6. Step 6: Final answer
    x = 4,926,419.70

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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.