Finding the Fourth Proportional to 13,043,531.20, 19,541,677.20 and 11,153,963.20
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Solution
The fourth proportional to 13,043,531.20, 19,541,677.20 and 11,153,963.20 is: 16,710,746.88
Step by Step Solution
- Step 1: Write the proportion equation
13,043,531.20 : 19,541,677.20 = 11,153,963.20 : x - Step 2: Convert to fraction form
13,043,531.20/19,541,677.20 = 11,153,963.20/x - Step 3: Cross multiply
13,043,531.20x = 19,541,677.20 × 11,153,963.20 - Step 4: Simplify right side
13,043,531.20x = 217,967,148,355,079.03 - Step 5: Solve for x
x = 217,967,148,355,079.03/13,043,531.20 - Step 6: Final answer
x = 16,710,746.88
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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.