Finding the Fourth Proportional to 8,260,963.35, 12,386,633.63 and 3,206,368.95
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Solution
The fourth proportional to 8,260,963.35, 12,386,633.63 and 3,206,368.95 is: 4,807,685.95
Step by Step Solution
- Step 1: Write the proportion equation
8,260,963.35 : 12,386,633.63 = 3,206,368.95 : x - Step 2: Convert to fraction form
8,260,963.35/12,386,633.63 = 3,206,368.95/x - Step 3: Cross multiply
8,260,963.35x = 12,386,633.63 × 3,206,368.95 - Step 4: Simplify right side
8,260,963.35x = 39,716,117,450,225.95 - Step 5: Solve for x
x = 39,716,117,450,225.95/8,260,963.35 - Step 6: Final answer
x = 4,807,685.95
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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.