Finding the Fourth Proportional to 8,788,604.08, 12,128,370.62 and 4,868,420.25
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Solution
The fourth proportional to 8,788,604.08, 12,128,370.62 and 4,868,420.25 is: 6,718,473.67
Step by Step Solution
- Step 1: Write the proportion equation
8,788,604.08 : 12,128,370.62 = 4,868,420.25 : x - Step 2: Convert to fraction form
8,788,604.08/12,128,370.62 = 4,868,420.25/x - Step 3: Cross multiply
8,788,604.08x = 12,128,370.62 × 4,868,420.25 - Step 4: Simplify right side
8,788,604.08x = 59,046,005,125,913.05 - Step 5: Solve for x
x = 59,046,005,125,913.05/8,788,604.08 - Step 6: Final answer
x = 6,718,473.67
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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.