Finding the Fourth Proportional to 18,124,479.66, 27,189,267.79 and 5,824,319.27
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Solution
The fourth proportional to 18,124,479.66, 27,189,267.79 and 5,824,319.27 is: 8,737,297.80
Step by Step Solution
- Step 1: Write the proportion equation
18,124,479.66 : 27,189,267.79 = 5,824,319.27 : x - Step 2: Convert to fraction form
18,124,479.66/27,189,267.79 = 5,824,319.27/x - Step 3: Cross multiply
18,124,479.66x = 27,189,267.79 × 5,824,319.27 - Step 4: Simplify right side
18,124,479.66x = 158,358,976,243,953.34 - Step 5: Solve for x
x = 158,358,976,243,953.34/18,124,479.66 - Step 6: Final answer
x = 8,737,297.80
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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.