Finding the Fourth Proportional to 19,187,963.92, 28,778,792.46 and 6,889,381.26
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Solution
The fourth proportional to 19,187,963.92, 28,778,792.46 and 6,889,381.26 is: 10,332,939.66
Step by Step Solution
- Step 1: Write the proportion equation
19,187,963.92 : 28,778,792.46 = 6,889,381.26 : x - Step 2: Convert to fraction form
19,187,963.92/28,778,792.46 = 6,889,381.26/x - Step 3: Cross multiply
19,187,963.92x = 28,778,792.46 × 6,889,381.26 - Step 4: Simplify right side
19,187,963.92x = 198,268,073,459,353.31 - Step 5: Solve for x
x = 198,268,073,459,353.31/19,187,963.92 - Step 6: Final answer
x = 10,332,939.66
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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.