Finding the Fourth Proportional to 22,409,690.84, 30,924,953.39 and 13,707,224.18
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Solution
The fourth proportional to 22,409,690.84, 30,924,953.39 and 13,707,224.18 is: 18,915,712.48
Step by Step Solution
- Step 1: Write the proportion equation
22,409,690.84 : 30,924,953.39 = 13,707,224.18 : x - Step 2: Convert to fraction form
22,409,690.84/30,924,953.39 = 13,707,224.18/x - Step 3: Cross multiply
22,409,690.84x = 30,924,953.39 × 13,707,224.18 - Step 4: Simplify right side
22,409,690.84x = 423,895,268,649,620.12 - Step 5: Solve for x
x = 423,895,268,649,620.12/22,409,690.84 - Step 6: Final answer
x = 18,915,712.48
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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.