Finding the Fourth Proportional to 8,728,749.98, 13,092,317.16 and 4,116,678.62
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Solution
The fourth proportional to 8,728,749.98, 13,092,317.16 and 4,116,678.62 is: 6,174,636.95
Step by Step Solution
- Step 1: Write the proportion equation
8,728,749.98 : 13,092,317.16 = 4,116,678.62 : x - Step 2: Convert to fraction form
8,728,749.98/13,092,317.16 = 4,116,678.62/x - Step 3: Cross multiply
8,728,749.98x = 13,092,317.16 × 4,116,678.62 - Step 4: Simplify right side
8,728,749.98x = 53,896,862,138,831.12 - Step 5: Solve for x
x = 53,896,862,138,831.12/8,728,749.98 - Step 6: Final answer
x = 6,174,636.95
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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.