Finding the Fourth Proportional to 9,157,674.74, 12,637,639.41 and 5,721,906.74
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Solution
The fourth proportional to 9,157,674.74, 12,637,639.41 and 5,721,906.74 is: 7,896,261.46
Step by Step Solution
- Step 1: Write the proportion equation
9,157,674.74 : 12,637,639.41 = 5,721,906.74 : x - Step 2: Convert to fraction form
9,157,674.74/12,637,639.41 = 5,721,906.74/x - Step 3: Cross multiply
9,157,674.74x = 12,637,639.41 × 5,721,906.74 - Step 4: Simplify right side
9,157,674.74x = 72,311,394,117,768.62 - Step 5: Solve for x
x = 72,311,394,117,768.62/9,157,674.74 - Step 6: Final answer
x = 7,896,261.46
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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.