Finding the Fourth Proportional to 13,396,395.04, 18,487,511.84 and 7,674,364.96
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Solution
The fourth proportional to 13,396,395.04, 18,487,511.84 and 7,674,364.96 is: 10,590,902.45
Step by Step Solution
- Step 1: Write the proportion equation
13,396,395.04 : 18,487,511.84 = 7,674,364.96 : x - Step 2: Convert to fraction form
13,396,395.04/18,487,511.84 = 7,674,364.96/x - Step 3: Cross multiply
13,396,395.04x = 18,487,511.84 × 7,674,364.96 - Step 4: Simplify right side
13,396,395.04x = 141,879,913,062,481.12 - Step 5: Solve for x
x = 141,879,913,062,481.12/13,396,395.04 - Step 6: Final answer
x = 10,590,902.45
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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.