Finding the Fourth Proportional to 12,698,907.84, 19,042,850.24 and 4,609,194.80
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Solution
The fourth proportional to 12,698,907.84, 19,042,850.24 and 4,609,194.80 is: 6,911,791.74
Step by Step Solution
- Step 1: Write the proportion equation
12,698,907.84 : 19,042,850.24 = 4,609,194.80 : x - Step 2: Convert to fraction form
12,698,907.84/19,042,850.24 = 4,609,194.80/x - Step 3: Cross multiply
12,698,907.84x = 19,042,850.24 × 4,609,194.80 - Step 4: Simplify right side
12,698,907.84x = 87,772,206,303,386.73 - Step 5: Solve for x
x = 87,772,206,303,386.73/12,698,907.84 - Step 6: Final answer
x = 6,911,791.74
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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.