Finding the Fourth Proportional to 11,426,209.60, 17,121,594.84 and 6,621,982.96
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Solution
The fourth proportional to 11,426,209.60, 17,121,594.84 and 6,621,982.96 is: 9,922,705.19
Step by Step Solution
- Step 1: Write the proportion equation
11,426,209.60 : 17,121,594.84 = 6,621,982.96 : x - Step 2: Convert to fraction form
11,426,209.60/17,121,594.84 = 6,621,982.96/x - Step 3: Cross multiply
11,426,209.60x = 17,121,594.84 × 6,621,982.96 - Step 4: Simplify right side
11,426,209.60x = 113,378,909,278,503.92 - Step 5: Solve for x
x = 113,378,909,278,503.92/11,426,209.60 - Step 6: Final answer
x = 9,922,705.19
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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.