Finding the Fourth Proportional to 13,975,561.32, 19,282,400.28 and 8,392,367.40
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Solution
The fourth proportional to 13,975,561.32, 19,282,400.28 and 8,392,367.40 is: 11,579,140.46
Step by Step Solution
- Step 1: Write the proportion equation
13,975,561.32 : 19,282,400.28 = 8,392,367.40 : x - Step 2: Convert to fraction form
13,975,561.32/19,282,400.28 = 8,392,367.40/x - Step 3: Cross multiply
13,975,561.32x = 19,282,400.28 × 8,392,367.40 - Step 4: Simplify right side
13,975,561.32x = 161,824,987,503,622.88 - Step 5: Solve for x
x = 161,824,987,503,622.88/13,975,561.32 - Step 6: Final answer
x = 11,579,140.46
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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.