Finding the Fourth Proportional to 13,409,124, 18,501,364.08 and 7,902,718.08
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Solution
The fourth proportional to 13,409,124, 18,501,364.08 and 7,902,718.08 is: 10,903,849.08
Step by Step Solution
- Step 1: Write the proportion equation
13,409,124 : 18,501,364.08 = 7,902,718.08 : x - Step 2: Convert to fraction form
13,409,124/18,501,364.08 = 7,902,718.08/x - Step 3: Cross multiply
13,409,124x = 18,501,364.08 × 7,902,718.08 - Step 4: Simplify right side
13,409,124x = 146,211,064,419,678.56 - Step 5: Solve for x
x = 146,211,064,419,678.56/13,409,124 - Step 6: Final answer
x = 10,903,849.08
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1.5x scale
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.