Finding the Fourth Proportional to 7,774,433.40, 10,728,735.32 and 4,336,897.08
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Solution
The fourth proportional to 7,774,433.40, 10,728,735.32 and 4,336,897.08 is: 5,984,927.58
Step by Step Solution
- Step 1: Write the proportion equation
7,774,433.40 : 10,728,735.32 = 4,336,897.08 : x - Step 2: Convert to fraction form
7,774,433.40/10,728,735.32 = 4,336,897.08/x - Step 3: Cross multiply
7,774,433.40x = 10,728,735.32 × 4,336,897.08 - Step 4: Simplify right side
7,774,433.40x = 46,529,420,881,400.87 - Step 5: Solve for x
x = 46,529,420,881,400.87/7,774,433.40 - Step 6: Final answer
x = 5,984,927.58
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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.