Finding the Fourth Proportional to 51,403,603.46, 70,936,556.12 and 27,882,081.44
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Solution
The fourth proportional to 51,403,603.46, 70,936,556.12 and 27,882,081.44 is: 38,477,046.38
Step by Step Solution
- Step 1: Write the proportion equation
51,403,603.46 : 70,936,556.12 = 27,882,081.44 : x - Step 2: Convert to fraction form
51,403,603.46/70,936,556.12 = 27,882,081.44/x - Step 3: Cross multiply
51,403,603.46x = 70,936,556.12 × 27,882,081.44 - Step 4: Simplify right side
51,403,603.46x = 1,977,858,834,421,435 - Step 5: Solve for x
x = 1,977,858,834,421,435/51,403,603.46 - Step 6: Final answer
x = 38,477,046.38
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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.