Finding the Fourth Proportional to 11,249,755.11, 15,524,589.74 and 6,356,561.31
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Solution
The fourth proportional to 11,249,755.11, 15,524,589.74 and 6,356,561.31 is: 8,772,013.75
Step by Step Solution
- Step 1: Write the proportion equation
11,249,755.11 : 15,524,589.74 = 6,356,561.31 : x - Step 2: Convert to fraction form
11,249,755.11/15,524,589.74 = 6,356,561.31/x - Step 3: Cross multiply
11,249,755.11x = 15,524,589.74 × 6,356,561.31 - Step 4: Simplify right side
11,249,755.11x = 98,683,006,463,124.14 - Step 5: Solve for x
x = 98,683,006,463,124.14/11,249,755.11 - Step 6: Final answer
x = 8,772,013.75
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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.