Finding the Fourth Proportional to 9,054,657.74, 12,495,366.01 and 5,135,152.79
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Solution
The fourth proportional to 9,054,657.74, 12,495,366.01 and 5,135,152.79 is: 7,086,475.88
Step by Step Solution
- Step 1: Write the proportion equation
9,054,657.74 : 12,495,366.01 = 5,135,152.79 : x - Step 2: Convert to fraction form
9,054,657.74/12,495,366.01 = 5,135,152.79/x - Step 3: Cross multiply
9,054,657.74x = 12,495,366.01 × 5,135,152.79 - Step 4: Simplify right side
9,054,657.74x = 64,165,613,665,980.03 - Step 5: Solve for x
x = 64,165,613,665,980.03/9,054,657.74 - Step 6: Final answer
x = 7,086,475.88
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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.