Finding the Fourth Proportional to 13,167,269.68, 18,170,859 and 7,366,148.32
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Solution
The fourth proportional to 13,167,269.68, 18,170,859 and 7,366,148.32 is: 10,165,299.70
Step by Step Solution
- Step 1: Write the proportion equation
13,167,269.68 : 18,170,859 = 7,366,148.32 : x - Step 2: Convert to fraction form
13,167,269.68/18,170,859 = 7,366,148.32/x - Step 3: Cross multiply
13,167,269.68x = 18,170,859 × 7,366,148.32 - Step 4: Simplify right side
13,167,269.68x = 133,849,242,495,806.89 - Step 5: Solve for x
x = 133,849,242,495,806.89/13,167,269.68 - Step 6: Final answer
x = 10,165,299.70
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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.