Finding the Fourth Proportional to 19,518,169.93, 26,934,745.67 and 10,816,324.81
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Solution
The fourth proportional to 19,518,169.93, 26,934,745.67 and 10,816,324.81 is: 14,926,346.01
Step by Step Solution
- Step 1: Write the proportion equation
19,518,169.93 : 26,934,745.67 = 10,816,324.81 : x - Step 2: Convert to fraction form
19,518,169.93/26,934,745.67 = 10,816,324.81/x - Step 3: Cross multiply
19,518,169.93x = 26,934,745.67 × 10,816,324.81 - Step 4: Simplify right side
19,518,169.93x = 291,334,957,787,379.44 - Step 5: Solve for x
x = 291,334,957,787,379.44/19,518,169.93 - Step 6: Final answer
x = 14,926,346.01
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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.