Finding the Fourth Proportional to 7,810,437.84, 11,720,445.38 and 3,496,135.97
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Solution
The fourth proportional to 7,810,437.84, 11,720,445.38 and 3,496,135.97 is: 5,246,347.44
Step by Step Solution
- Step 1: Write the proportion equation
7,810,437.84 : 11,720,445.38 = 3,496,135.97 : x - Step 2: Convert to fraction form
7,810,437.84/11,720,445.38 = 3,496,135.97/x - Step 3: Cross multiply
7,810,437.84x = 11,720,445.38 × 3,496,135.97 - Step 4: Simplify right side
7,810,437.84x = 40,976,270,601,355.41 - Step 5: Solve for x
x = 40,976,270,601,355.41/7,810,437.84 - Step 6: Final answer
x = 5,246,347.44
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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.