Finding the Fourth Proportional to 7,625,017.80, 11,437,526.70 and 2,832,207.30
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Solution
The fourth proportional to 7,625,017.80, 11,437,526.70 and 2,832,207.30 is: 4,248,310.95
Step by Step Solution
- Step 1: Write the proportion equation
7,625,017.80 : 11,437,526.70 = 2,832,207.30 : x - Step 2: Convert to fraction form
7,625,017.80/11,437,526.70 = 2,832,207.30/x - Step 3: Cross multiply
7,625,017.80x = 11,437,526.70 × 2,832,207.30 - Step 4: Simplify right side
7,625,017.80x = 32,393,446,613,684.91 - Step 5: Solve for x
x = 32,393,446,613,684.91/7,625,017.80 - Step 6: Final answer
x = 4,248,310.95
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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.