Finding the Fourth Proportional to 8,917,318.20, 13,371,763.75 and 3,454,971.98
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Solution
The fourth proportional to 8,917,318.20, 13,371,763.75 and 3,454,971.98 is: 5,180,825.45
Step by Step Solution
- Step 1: Write the proportion equation
8,917,318.20 : 13,371,763.75 = 3,454,971.98 : x - Step 2: Convert to fraction form
8,917,318.20/13,371,763.75 = 3,454,971.98/x - Step 3: Cross multiply
8,917,318.20x = 13,371,763.75 × 3,454,971.98 - Step 4: Simplify right side
8,917,318.20x = 46,199,069,023,367.70 - Step 5: Solve for x
x = 46,199,069,023,367.70/8,917,318.20 - Step 6: Final answer
x = 5,180,825.45
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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.