Finding the Fourth Proportional to 38,454,469.54, 53,067,164.01 and 20,813,368.99
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Solution
The fourth proportional to 38,454,469.54, 53,067,164.01 and 20,813,368.99 is: 28,722,447.06
Step by Step Solution
- Step 1: Write the proportion equation
38,454,469.54 : 53,067,164.01 = 20,813,368.99 : x - Step 2: Convert to fraction form
38,454,469.54/53,067,164.01 = 20,813,368.99/x - Step 3: Cross multiply
38,454,469.54x = 53,067,164.01 × 20,813,368.99 - Step 4: Simplify right side
38,454,469.54x = 1,104,506,465,681,760.88 - Step 5: Solve for x
x = 1,104,506,465,681,760.88/38,454,469.54 - Step 6: Final answer
x = 28,722,447.06
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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.