Finding the Fourth Proportional to 16,656,069.20, 24,984,103.80 and 7,698,117.20
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Solution
The fourth proportional to 16,656,069.20, 24,984,103.80 and 7,698,117.20 is: 11,547,175.80
Step by Step Solution
- Step 1: Write the proportion equation
16,656,069.20 : 24,984,103.80 = 7,698,117.20 : x - Step 2: Convert to fraction form
16,656,069.20/24,984,103.80 = 7,698,117.20/x - Step 3: Cross multiply
16,656,069.20x = 24,984,103.80 × 7,698,117.20 - Step 4: Simplify right side
16,656,069.20x = 192,330,559,189,365.38 - Step 5: Solve for x
x = 192,330,559,189,365.38/16,656,069.20 - Step 6: Final answer
x = 11,547,175.80
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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.