Finding the Fourth Proportional to 38,693,368.92, 58,040,551.62 and 11,393,454.60
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Solution
The fourth proportional to 38,693,368.92, 58,040,551.62 and 11,393,454.60 is: 17,090,328.61
Step by Step Solution
- Step 1: Write the proportion equation
38,693,368.92 : 58,040,551.62 = 11,393,454.60 : x - Step 2: Convert to fraction form
38,693,368.92/58,040,551.62 = 11,393,454.60/x - Step 3: Cross multiply
38,693,368.92x = 58,040,551.62 × 11,393,454.60 - Step 4: Simplify right side
38,693,368.92x = 661,282,389,841,426.38 - Step 5: Solve for x
x = 661,282,389,841,426.38/38,693,368.92 - Step 6: Final answer
x = 17,090,328.61
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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.