Finding the Fourth Proportional to 8,487,509.13, 12,731,267.75 and 2,807,733.44
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Solution
The fourth proportional to 8,487,509.13, 12,731,267.75 and 2,807,733.44 is: 4,211,601.50
Step by Step Solution
- Step 1: Write the proportion equation
8,487,509.13 : 12,731,267.75 = 2,807,733.44 : x - Step 2: Convert to fraction form
8,487,509.13/12,731,267.75 = 2,807,733.44/x - Step 3: Cross multiply
8,487,509.13x = 12,731,267.75 × 2,807,733.44 - Step 4: Simplify right side
8,487,509.13x = 35,746,006,213,058.05 - Step 5: Solve for x
x = 35,746,006,213,058.05/8,487,509.13 - Step 6: Final answer
x = 4,211,601.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.