Finding the Fourth Proportional to 8,352,035.70, 12,528,053.55 and 7,092,323.70
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Solution
The fourth proportional to 8,352,035.70, 12,528,053.55 and 7,092,323.70 is: 10,638,485.55
Step by Step Solution
- Step 1: Write the proportion equation
8,352,035.70 : 12,528,053.55 = 7,092,323.70 : x - Step 2: Convert to fraction form
8,352,035.70/12,528,053.55 = 7,092,323.70/x - Step 3: Cross multiply
8,352,035.70x = 12,528,053.55 × 7,092,323.70 - Step 4: Simplify right side
8,352,035.70x = 88,853,011,107,534.14 - Step 5: Solve for x
x = 88,853,011,107,534.14/8,352,035.70 - Step 6: Final answer
x = 10,638,485.55
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Similar ratio
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1.5x scale
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.