Finding the Fourth Proportional to 35,339,616.78, 48,777,331.23 and 21,600,098.70
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Solution
The fourth proportional to 35,339,616.78, 48,777,331.23 and 21,600,098.70 is: 29,813,429.37
Step by Step Solution
- Step 1: Write the proportion equation
35,339,616.78 : 48,777,331.23 = 21,600,098.70 : x - Step 2: Convert to fraction form
35,339,616.78/48,777,331.23 = 21,600,098.70/x - Step 3: Cross multiply
35,339,616.78x = 48,777,331.23 × 21,600,098.70 - Step 4: Simplify right side
35,339,616.78x = 1,053,595,168,890,592.25 - Step 5: Solve for x
x = 1,053,595,168,890,592.25/35,339,616.78 - Step 6: Final answer
x = 29,813,429.37
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1.5x scale
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.