Finding the Fourth Proportional to 18,497,587.38, 27,749,039.64 and 5,719,088.53
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Solution
The fourth proportional to 18,497,587.38, 27,749,039.64 and 5,719,088.53 is: 8,579,454.77
Step by Step Solution
- Step 1: Write the proportion equation
18,497,587.38 : 27,749,039.64 = 5,719,088.53 : x - Step 2: Convert to fraction form
18,497,587.38/27,749,039.64 = 5,719,088.53/x - Step 3: Cross multiply
18,497,587.38x = 27,749,039.64 × 5,719,088.53 - Step 4: Simplify right side
18,497,587.38x = 158,699,214,336,879.06 - Step 5: Solve for x
x = 158,699,214,336,879.06/18,497,587.38 - Step 6: Final answer
x = 8,579,454.77
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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.