Finding the Fourth Proportional to 32,371,805.80, 48,557,708.70 and 30,878,813.80
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Solution
The fourth proportional to 32,371,805.80, 48,557,708.70 and 30,878,813.80 is: 46,318,220.70
Step by Step Solution
- Step 1: Write the proportion equation
32,371,805.80 : 48,557,708.70 = 30,878,813.80 : x - Step 2: Convert to fraction form
32,371,805.80/48,557,708.70 = 30,878,813.80/x - Step 3: Cross multiply
32,371,805.80x = 48,557,708.70 × 30,878,813.80 - Step 4: Simplify right side
32,371,805.80x = 1,499,404,445,501,940.25 - Step 5: Solve for x
x = 1,499,404,445,501,940.25/32,371,805.80 - Step 6: Final answer
x = 46,318,220.70
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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.