Finding the Fourth Proportional to 7,623,854.36, 11,437,184.84 and 2,506,573.20
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Solution
The fourth proportional to 7,623,854.36, 11,437,184.84 and 2,506,573.20 is: 3,760,321.18
Step by Step Solution
- Step 1: Write the proportion equation
7,623,854.36 : 11,437,184.84 = 2,506,573.20 : x - Step 2: Convert to fraction form
7,623,854.36/11,437,184.84 = 2,506,573.20/x - Step 3: Cross multiply
7,623,854.36x = 11,437,184.84 × 2,506,573.20 - Step 4: Simplify right side
7,623,854.36x = 28,668,141,003,390.29 - Step 5: Solve for x
x = 28,668,141,003,390.29/7,623,854.36 - Step 6: Final answer
x = 3,760,321.18
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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.