Finding the Fourth Proportional to 13,889,544.79, 19,168,749.34 and 7,696,534.19
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Solution
The fourth proportional to 13,889,544.79, 19,168,749.34 and 7,696,534.19 is: 10,621,869.68
Step by Step Solution
- Step 1: Write the proportion equation
13,889,544.79 : 19,168,749.34 = 7,696,534.19 : x - Step 2: Convert to fraction form
13,889,544.79/19,168,749.34 = 7,696,534.19/x - Step 3: Cross multiply
13,889,544.79x = 19,168,749.34 × 7,696,534.19 - Step 4: Simplify right side
13,889,544.79x = 147,532,934,703,530.47 - Step 5: Solve for x
x = 147,532,934,703,530.47/13,889,544.79 - Step 6: Final answer
x = 10,621,869.68
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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.