Finding the Fourth Proportional to 11,131,943.18, 16,686,261.70 and 4,658,727.54
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Solution
The fourth proportional to 11,131,943.18, 16,686,261.70 and 4,658,727.54 is: 6,983,214.49
Step by Step Solution
- Step 1: Write the proportion equation
11,131,943.18 : 16,686,261.70 = 4,658,727.54 : x - Step 2: Convert to fraction form
11,131,943.18/16,686,261.70 = 4,658,727.54/x - Step 3: Cross multiply
11,131,943.18x = 16,686,261.70 × 4,658,727.54 - Step 4: Simplify right side
11,131,943.18x = 77,736,746,921,437.22 - Step 5: Solve for x
x = 77,736,746,921,437.22/11,131,943.18 - Step 6: Final answer
x = 6,983,214.49
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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.