Finding the Fourth Proportional to 7,789,858, 10,749,805.99 and 4,352,124.85
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Solution
The fourth proportional to 7,789,858, 10,749,805.99 and 4,352,124.85 is: 6,005,821.64
Step by Step Solution
- Step 1: Write the proportion equation
7,789,858 : 10,749,805.99 = 4,352,124.85 : x - Step 2: Convert to fraction form
7,789,858/10,749,805.99 = 4,352,124.85/x - Step 3: Cross multiply
7,789,858x = 10,749,805.99 × 4,352,124.85 - Step 4: Simplify right side
7,789,858x = 46,784,497,781,757.85 - Step 5: Solve for x
x = 46,784,497,781,757.85/7,789,858 - Step 6: Final answer
x = 6,005,821.64
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1.5x scale
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.