Finding the Fourth Proportional to 7,386,051.99, 10,192,712.85 and 4,289,336.94
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Solution
The fourth proportional to 7,386,051.99, 10,192,712.85 and 4,289,336.94 is: 5,919,262.39
Step by Step Solution
- Step 1: Write the proportion equation
7,386,051.99 : 10,192,712.85 = 4,289,336.94 : x - Step 2: Convert to fraction form
7,386,051.99/10,192,712.85 = 4,289,336.94/x - Step 3: Cross multiply
7,386,051.99x = 10,192,712.85 × 4,289,336.94 - Step 4: Simplify right side
7,386,051.99x = 43,719,979,746,317.68 - Step 5: Solve for x
x = 43,719,979,746,317.68/7,386,051.99 - Step 6: Final answer
x = 5,919,262.39
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1.5x scale
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.