Finding the Fourth Proportional to 8,891,352.59, 12,270,079.06 and 4,816,971.59
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Solution
The fourth proportional to 8,891,352.59, 12,270,079.06 and 4,816,971.59 is: 6,647,427.55
Step by Step Solution
- Step 1: Write the proportion equation
8,891,352.59 : 12,270,079.06 = 4,816,971.59 : x - Step 2: Convert to fraction form
8,891,352.59/12,270,079.06 = 4,816,971.59/x - Step 3: Cross multiply
8,891,352.59x = 12,270,079.06 × 4,816,971.59 - Step 4: Simplify right side
8,891,352.59x = 59,104,622,165,681.08 - Step 5: Solve for x
x = 59,104,622,165,681.08/8,891,352.59 - Step 6: Final answer
x = 6,647,427.55
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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.