Finding the Fourth Proportional to 15,139,972.44, 22,710,277.80 and 5,425,218.54
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Solution
The fourth proportional to 15,139,972.44, 22,710,277.80 and 5,425,218.54 is: 8,137,942.17
Step by Step Solution
- Step 1: Write the proportion equation
15,139,972.44 : 22,710,277.80 = 5,425,218.54 : x - Step 2: Convert to fraction form
15,139,972.44/22,710,277.80 = 5,425,218.54/x - Step 3: Cross multiply
15,139,972.44x = 22,710,277.80 × 5,425,218.54 - Step 4: Simplify right side
15,139,972.44x = 123,208,220,169,110.42 - Step 5: Solve for x
x = 123,208,220,169,110.42/15,139,972.44 - Step 6: Final answer
x = 8,137,942.17
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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.