Finding the Fourth Proportional to 18,124,479.91, 27,189,268.17 and 5,824,319.52
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Solution
The fourth proportional to 18,124,479.91, 27,189,268.17 and 5,824,319.52 is: 8,737,298.18
Step by Step Solution
- Step 1: Write the proportion equation
18,124,479.91 : 27,189,268.17 = 5,824,319.52 : x - Step 2: Convert to fraction form
18,124,479.91/27,189,268.17 = 5,824,319.52/x - Step 3: Cross multiply
18,124,479.91x = 27,189,268.17 × 5,824,319.52 - Step 4: Simplify right side
18,124,479.91x = 158,358,985,307,924.06 - Step 5: Solve for x
x = 158,358,985,307,924.06/18,124,479.91 - Step 6: Final answer
x = 8,737,298.18
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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.