Finding the Fourth Proportional to 17,442,130.83, 26,168,694.93 and 8,219,730.80
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Solution
The fourth proportional to 17,442,130.83, 26,168,694.93 and 8,219,730.80 is: 12,332,187.49
Step by Step Solution
- Step 1: Write the proportion equation
17,442,130.83 : 26,168,694.93 = 8,219,730.80 : x - Step 2: Convert to fraction form
17,442,130.83/26,168,694.93 = 8,219,730.80/x - Step 3: Cross multiply
17,442,130.83x = 26,168,694.93 × 8,219,730.80 - Step 4: Simplify right side
17,442,130.83x = 215,099,627,581,081.38 - Step 5: Solve for x
x = 215,099,627,581,081.38/17,442,130.83 - Step 6: Final answer
x = 12,332,187.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.