Finding the Fourth Proportional to 9,235,363.08, 12,744,818.32 and 5,160,982.08
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Solution
The fourth proportional to 9,235,363.08, 12,744,818.32 and 5,160,982.08 is: 7,122,164.92
Step by Step Solution
- Step 1: Write the proportion equation
9,235,363.08 : 12,744,818.32 = 5,160,982.08 : x - Step 2: Convert to fraction form
9,235,363.08/12,744,818.32 = 5,160,982.08/x - Step 3: Cross multiply
9,235,363.08x = 12,744,818.32 × 5,160,982.08 - Step 4: Simplify right side
9,235,363.08x = 65,775,778,962,375.71 - Step 5: Solve for x
x = 65,775,778,962,375.71/9,235,363.08 - Step 6: Final answer
x = 7,122,164.92
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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.