Finding the Fourth Proportional to 15,332,603.62, 21,158,622.18 and 8,456,938.06
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Solution
The fourth proportional to 15,332,603.62, 21,158,622.18 and 8,456,938.06 is: 11,670,369.99
Step by Step Solution
- Step 1: Write the proportion equation
15,332,603.62 : 21,158,622.18 = 8,456,938.06 : x - Step 2: Convert to fraction form
15,332,603.62/21,158,622.18 = 8,456,938.06/x - Step 3: Cross multiply
15,332,603.62x = 21,158,622.18 × 8,456,938.06 - Step 4: Simplify right side
15,332,603.62x = 178,937,157,211,202.19 - Step 5: Solve for x
x = 178,937,157,211,202.19/15,332,603.62 - Step 6: Final answer
x = 11,670,369.99
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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.