Finding the Fourth Proportional to 13,941,675.29, 19,236,367.41 and 8,434,913.24
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Solution
The fourth proportional to 13,941,675.29, 19,236,367.41 and 8,434,913.24 is: 11,638,277.81
Step by Step Solution
- Step 1: Write the proportion equation
13,941,675.29 : 19,236,367.41 = 8,434,913.24 : x - Step 2: Convert to fraction form
13,941,675.29/19,236,367.41 = 8,434,913.24/x - Step 3: Cross multiply
13,941,675.29x = 19,236,367.41 × 8,434,913.24 - Step 4: Simplify right side
13,941,675.29x = 162,257,090,156,113.50 - Step 5: Solve for x
x = 162,257,090,156,113.50/13,941,675.29 - Step 6: Final answer
x = 11,638,277.81
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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.