Finding the Fourth Proportional to 12,714,465.68, 19,080,178.68 and 4,627,439.05
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Solution
The fourth proportional to 12,714,465.68, 19,080,178.68 and 4,627,439.05 is: 6,944,244.93
Step by Step Solution
- Step 1: Write the proportion equation
12,714,465.68 : 19,080,178.68 = 4,627,439.05 : x - Step 2: Convert to fraction form
12,714,465.68/19,080,178.68 = 4,627,439.05/x - Step 3: Cross multiply
12,714,465.68x = 19,080,178.68 × 4,627,439.05 - Step 4: Simplify right side
12,714,465.68x = 88,292,363,809,408.56 - Step 5: Solve for x
x = 88,292,363,809,408.56/12,714,465.68 - Step 6: Final answer
x = 6,944,244.93
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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.