Finding the Fourth Proportional to 8,287,865.84, 12,408,425.40 and 4,388,486.96
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Solution
The fourth proportional to 8,287,865.84, 12,408,425.40 and 4,388,486.96 is: 6,570,354.07
Step by Step Solution
- Step 1: Write the proportion equation
8,287,865.84 : 12,408,425.40 = 4,388,486.96 : x - Step 2: Convert to fraction form
8,287,865.84/12,408,425.40 = 4,388,486.96/x - Step 3: Cross multiply
8,287,865.84x = 12,408,425.40 × 4,388,486.96 - Step 4: Simplify right side
8,287,865.84x = 54,454,213,062,032.79 - Step 5: Solve for x
x = 54,454,213,062,032.79/8,287,865.84 - Step 6: Final answer
x = 6,570,354.07
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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.