Finding the Fourth Proportional to 6,912,467.80, 10,368,701.70 and 6,912,467.80
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Solution
The fourth proportional to 6,912,467.80, 10,368,701.70 and 6,912,467.80 is: 10,368,701.70
Step by Step Solution
- Step 1: Write the proportion equation
6,912,467.80 : 10,368,701.70 = 6,912,467.80 : x - Step 2: Convert to fraction form
6,912,467.80/10,368,701.70 = 6,912,467.80/x - Step 3: Cross multiply
6,912,467.80x = 10,368,701.70 × 6,912,467.80 - Step 4: Simplify right side
6,912,467.80x = 71,673,316,629,055.25 - Step 5: Solve for x
x = 71,673,316,629,055.25/6,912,467.80 - Step 6: Final answer
x = 10,368,701.70
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1.5x scale
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.