Finding the Fourth Proportional to 34,334,862.27, 47,370,391.26 and 21,277,356.90
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Solution
The fourth proportional to 34,334,862.27, 47,370,391.26 and 21,277,356.90 is: 29,355,490.45
Step by Step Solution
- Step 1: Write the proportion equation
34,334,862.27 : 47,370,391.26 = 21,277,356.90 : x - Step 2: Convert to fraction form
34,334,862.27/47,370,391.26 = 21,277,356.90/x - Step 3: Cross multiply
34,334,862.27x = 47,370,391.26 × 21,277,356.90 - Step 4: Simplify right side
34,334,862.27x = 1,007,916,721,331,660.62 - Step 5: Solve for x
x = 1,007,916,721,331,660.62/34,334,862.27 - Step 6: Final answer
x = 29,355,490.45
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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.