Finding the Fourth Proportional to 13,302,328.60, 19,956,445.35 and 6,112,128.70
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Solution
The fourth proportional to 13,302,328.60, 19,956,445.35 and 6,112,128.70 is: 9,169,549.64
Step by Step Solution
- Step 1: Write the proportion equation
13,302,328.60 : 19,956,445.35 = 6,112,128.70 : x - Step 2: Convert to fraction form
13,302,328.60/19,956,445.35 = 6,112,128.70/x - Step 3: Cross multiply
13,302,328.60x = 19,956,445.35 × 6,112,128.70 - Step 4: Simplify right side
13,302,328.60x = 121,976,362,373,716.56 - Step 5: Solve for x
x = 121,976,362,373,716.56/13,302,328.60 - Step 6: Final answer
x = 9,169,549.64
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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.