Finding the Fourth Proportional to 28,896,092.01, 39,874,640.58 and 15,840,653.31
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Solution
The fourth proportional to 28,896,092.01, 39,874,640.58 and 15,840,653.31 is: 21,859,023.60
Step by Step Solution
- Step 1: Write the proportion equation
28,896,092.01 : 39,874,640.58 = 15,840,653.31 : x - Step 2: Convert to fraction form
28,896,092.01/39,874,640.58 = 15,840,653.31/x - Step 3: Cross multiply
28,896,092.01x = 39,874,640.58 × 15,840,653.31 - Step 4: Simplify right side
28,896,092.01x = 631,640,357,288,637.25 - Step 5: Solve for x
x = 631,640,357,288,637.25/28,896,092.01 - Step 6: Final answer
x = 21,859,023.60
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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.