Finding the Fourth Proportional to 12,146,703.16, 16,762,454.04 and 6,640,102.12
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Solution
The fourth proportional to 12,146,703.16, 16,762,454.04 and 6,640,102.12 is: 9,163,342.94
Step by Step Solution
- Step 1: Write the proportion equation
12,146,703.16 : 16,762,454.04 = 6,640,102.12 : x - Step 2: Convert to fraction form
12,146,703.16/16,762,454.04 = 6,640,102.12/x - Step 3: Cross multiply
12,146,703.16x = 16,762,454.04 × 6,640,102.12 - Step 4: Simplify right side
12,146,703.16x = 111,304,406,607,406.56 - Step 5: Solve for x
x = 111,304,406,607,406.56/12,146,703.16 - Step 6: Final answer
x = 9,163,342.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.