Finding the Fourth Proportional to 11,068,569.06, 15,273,967.62 and 6,421,994.14
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Solution
The fourth proportional to 11,068,569.06, 15,273,967.62 and 6,421,994.14 is: 8,861,970.33
Step by Step Solution
- Step 1: Write the proportion equation
11,068,569.06 : 15,273,967.62 = 6,421,994.14 : x - Step 2: Convert to fraction form
11,068,569.06/15,273,967.62 = 6,421,994.14/x - Step 3: Cross multiply
11,068,569.06x = 15,273,967.62 × 6,421,994.14 - Step 4: Simplify right side
11,068,569.06x = 98,089,330,550,189.73 - Step 5: Solve for x
x = 98,089,330,550,189.73/11,068,569.06 - Step 6: Final answer
x = 8,861,970.33
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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.