Finding the Fourth Proportional to 13,911,733.08, 19,198,499.36 and 7,716,578.04
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Solution
The fourth proportional to 13,911,733.08, 19,198,499.36 and 7,716,578.04 is: 10,649,048.38
Step by Step Solution
- Step 1: Write the proportion equation
13,911,733.08 : 19,198,499.36 = 7,716,578.04 : x - Step 2: Convert to fraction form
13,911,733.08/19,198,499.36 = 7,716,578.04/x - Step 3: Cross multiply
13,911,733.08x = 19,198,499.36 × 7,716,578.04 - Step 4: Simplify right side
13,911,733.08x = 148,146,718,562,330.06 - Step 5: Solve for x
x = 148,146,718,562,330.06/13,911,733.08 - Step 6: Final answer
x = 10,649,048.38
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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.