Finding the Fourth Proportional to 13,666,946.64, 18,859,439.16 and 7,554,894
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Solution
The fourth proportional to 13,666,946.64, 18,859,439.16 and 7,554,894 is: 10,425,230.12
Step by Step Solution
- Step 1: Write the proportion equation
13,666,946.64 : 18,859,439.16 = 7,554,894 : x - Step 2: Convert to fraction form
13,666,946.64/18,859,439.16 = 7,554,894/x - Step 3: Cross multiply
13,666,946.64x = 18,859,439.16 × 7,554,894 - Step 4: Simplify right side
13,666,946.64x = 142,481,063,753,249.03 - Step 5: Solve for x
x = 142,481,063,753,249.03/13,666,946.64 - Step 6: Final answer
x = 10,425,230.12
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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.