Finding the Fourth Proportional to 8,815,470.93, 13,188,994.36 and 7,727,802.19
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Solution
The fourth proportional to 8,815,470.93, 13,188,994.36 and 7,727,802.19 is: 11,561,712.39
Step by Step Solution
- Step 1: Write the proportion equation
8,815,470.93 : 13,188,994.36 = 7,727,802.19 : x - Step 2: Convert to fraction form
8,815,470.93/13,188,994.36 = 7,727,802.19/x - Step 3: Cross multiply
8,815,470.93x = 13,188,994.36 × 7,727,802.19 - Step 4: Simplify right side
8,815,470.93x = 101,921,939,446,813.66 - Step 5: Solve for x
x = 101,921,939,446,813.66/8,815,470.93 - Step 6: Final answer
x = 11,561,712.39
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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.