Finding the Fourth Proportional to 7,487,292.96, 11,232,180.12 and 2,628,339.08
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Solution
The fourth proportional to 7,487,292.96, 11,232,180.12 and 2,628,339.08 is: 3,942,944.15
Step by Step Solution
- Step 1: Write the proportion equation
7,487,292.96 : 11,232,180.12 = 2,628,339.08 : x - Step 2: Convert to fraction form
7,487,292.96/11,232,180.12 = 2,628,339.08/x - Step 3: Cross multiply
7,487,292.96x = 11,232,180.12 × 2,628,339.08 - Step 4: Simplify right side
7,487,292.96x = 29,521,977,962,995.09 - Step 5: Solve for x
x = 29,521,977,962,995.09/7,487,292.96 - Step 6: Final answer
x = 3,942,944.15
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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.