Finding the Fourth Proportional to 8,917,776.63, 12,306,594.74 and 4,843,395.63
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Solution
The fourth proportional to 8,917,776.63, 12,306,594.74 and 4,843,395.63 is: 6,683,920.18
Step by Step Solution
- Step 1: Write the proportion equation
8,917,776.63 : 12,306,594.74 = 4,843,395.63 : x - Step 2: Convert to fraction form
8,917,776.63/12,306,594.74 = 4,843,395.63/x - Step 3: Cross multiply
8,917,776.63x = 12,306,594.74 × 4,843,395.63 - Step 4: Simplify right side
8,917,776.63x = 59,605,707,159,680 - Step 5: Solve for x
x = 59,605,707,159,680/8,917,776.63 - Step 6: Final answer
x = 6,683,920.18
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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.