Finding the Fourth Proportional to 8,536,948.93, 12,804,480.27 and 2,147,203.81
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Solution
The fourth proportional to 8,536,948.93, 12,804,480.27 and 2,147,203.81 is: 3,220,568.50
Step by Step Solution
- Step 1: Write the proportion equation
8,536,948.93 : 12,804,480.27 = 2,147,203.81 : x - Step 2: Convert to fraction form
8,536,948.93/12,804,480.27 = 2,147,203.81/x - Step 3: Cross multiply
8,536,948.93x = 12,804,480.27 × 2,147,203.81 - Step 4: Simplify right side
8,536,948.93x = 27,493,828,820,813.83 - Step 5: Solve for x
x = 27,493,828,820,813.83/8,536,948.93 - Step 6: Final answer
x = 3,220,568.50
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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.