Finding the Fourth Proportional to 7,850,258.11, 10,831,768.06 and 4,586,442.49
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Solution
The fourth proportional to 7,850,258.11, 10,831,768.06 and 4,586,442.49 is: 6,328,362.78
Step by Step Solution
- Step 1: Write the proportion equation
7,850,258.11 : 10,831,768.06 = 4,586,442.49 : x - Step 2: Convert to fraction form
7,850,258.11/10,831,768.06 = 4,586,442.49/x - Step 3: Cross multiply
7,850,258.11x = 10,831,768.06 × 4,586,442.49 - Step 4: Simplify right side
7,850,258.11x = 49,679,281,195,117.82 - Step 5: Solve for x
x = 49,679,281,195,117.82/7,850,258.11 - Step 6: Final answer
x = 6,328,362.78
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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.