Finding the Fourth Proportional to 18,124,479.63, 27,189,267.75 and 5,824,319.23
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Solution
The fourth proportional to 18,124,479.63, 27,189,267.75 and 5,824,319.23 is: 8,737,297.75
Step by Step Solution
- Step 1: Write the proportion equation
18,124,479.63 : 27,189,267.75 = 5,824,319.23 : x - Step 2: Convert to fraction form
18,124,479.63/27,189,267.75 = 5,824,319.23/x - Step 3: Cross multiply
18,124,479.63x = 27,189,267.75 × 5,824,319.23 - Step 4: Simplify right side
18,124,479.63x = 158,358,975,005,943.84 - Step 5: Solve for x
x = 158,358,975,005,943.84/18,124,479.63 - Step 6: Final answer
x = 8,737,297.75
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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.