Finding the Fourth Proportional to 9,490,636.62, 13,097,009.17 and 5,139,621.99
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Solution
The fourth proportional to 9,490,636.62, 13,097,009.17 and 5,139,621.99 is: 7,092,640.78
Step by Step Solution
- Step 1: Write the proportion equation
9,490,636.62 : 13,097,009.17 = 5,139,621.99 : x - Step 2: Convert to fraction form
9,490,636.62/13,097,009.17 = 5,139,621.99/x - Step 3: Cross multiply
9,490,636.62x = 13,097,009.17 × 5,139,621.99 - Step 4: Simplify right side
9,490,636.62x = 67,313,676,339,788.18 - Step 5: Solve for x
x = 67,313,676,339,788.18/9,490,636.62 - Step 6: Final answer
x = 7,092,640.78
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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.