Finding the Fourth Proportional to 8,158,055.40, 11,258,437.68 and 4,487,313.42
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Solution
The fourth proportional to 8,158,055.40, 11,258,437.68 and 4,487,313.42 is: 6,192,669.21
Step by Step Solution
- Step 1: Write the proportion equation
8,158,055.40 : 11,258,437.68 = 4,487,313.42 : x - Step 2: Convert to fraction form
8,158,055.40/11,258,437.68 = 4,487,313.42/x - Step 3: Cross multiply
8,158,055.40x = 11,258,437.68 × 4,487,313.42 - Step 4: Simplify right side
8,158,055.40x = 50,520,138,489,697.66 - Step 5: Solve for x
x = 50,520,138,489,697.66/8,158,055.40 - Step 6: Final answer
x = 6,192,669.21
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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.