Finding the Fourth Proportional to 12,616,467.84, 18,926,275.62 and 4,939,120.98
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Solution
The fourth proportional to 12,616,467.84, 18,926,275.62 and 4,939,120.98 is: 7,409,297.61
Step by Step Solution
- Step 1: Write the proportion equation
12,616,467.84 : 18,926,275.62 = 4,939,120.98 : x - Step 2: Convert to fraction form
12,616,467.84/18,926,275.62 = 4,939,120.98/x - Step 3: Cross multiply
12,616,467.84x = 18,926,275.62 × 4,939,120.98 - Step 4: Simplify right side
12,616,467.84x = 93,479,164,988,004.52 - Step 5: Solve for x
x = 93,479,164,988,004.52/12,616,467.84 - Step 6: Final answer
x = 7,409,297.61
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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.