Finding the Fourth Proportional to 8,964,419.84, 12,370,884.81 and 4,890,038.84
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Solution
The fourth proportional to 8,964,419.84, 12,370,884.81 and 4,890,038.84 is: 6,748,245.65
Step by Step Solution
- Step 1: Write the proportion equation
8,964,419.84 : 12,370,884.81 = 4,890,038.84 : x - Step 2: Convert to fraction form
8,964,419.84/12,370,884.81 = 4,890,038.84/x - Step 3: Cross multiply
8,964,419.84x = 12,370,884.81 × 4,890,038.84 - Step 4: Simplify right side
8,964,419.84x = 60,494,107,206,066.02 - Step 5: Solve for x
x = 60,494,107,206,066.02/8,964,419.84 - Step 6: Final answer
x = 6,748,245.65
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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.