Finding the Fourth Proportional to 13,203,701.70, 19,805,552.55 and 11,524,085.70
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Solution
The fourth proportional to 13,203,701.70, 19,805,552.55 and 11,524,085.70 is: 17,286,128.55
Step by Step Solution
- Step 1: Write the proportion equation
13,203,701.70 : 19,805,552.55 = 11,524,085.70 : x - Step 2: Convert to fraction form
13,203,701.70/19,805,552.55 = 11,524,085.70/x - Step 3: Cross multiply
13,203,701.70x = 19,805,552.55 × 11,524,085.70 - Step 4: Simplify right side
13,203,701.70x = 228,240,884,922,053.53 - Step 5: Solve for x
x = 228,240,884,922,053.53/13,203,701.70 - Step 6: Final answer
x = 17,286,128.55
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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.