Finding the Fourth Proportional to 6,936,387.06, 9,572,143.62 and 3,838,916.46
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Solution
The fourth proportional to 6,936,387.06, 9,572,143.62 and 3,838,916.46 is: 5,297,665.68
Step by Step Solution
- Step 1: Write the proportion equation
6,936,387.06 : 9,572,143.62 = 3,838,916.46 : x - Step 2: Convert to fraction form
6,936,387.06/9,572,143.62 = 3,838,916.46/x - Step 3: Cross multiply
6,936,387.06x = 9,572,143.62 × 3,838,916.46 - Step 4: Simplify right side
6,936,387.06x = 36,746,659,700,301.98 - Step 5: Solve for x
x = 36,746,659,700,301.98/6,936,387.06 - Step 6: Final answer
x = 5,297,665.68
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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.