Finding the Fourth Proportional to 11,660,368.37, 16,091,363.99 and 6,433,376.21
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Solution
The fourth proportional to 11,660,368.37, 16,091,363.99 and 6,433,376.21 is: 8,878,089.87
Step by Step Solution
- Step 1: Write the proportion equation
11,660,368.37 : 16,091,363.99 = 6,433,376.21 : x - Step 2: Convert to fraction form
11,660,368.37/16,091,363.99 = 6,433,376.21/x - Step 3: Cross multiply
11,660,368.37x = 16,091,363.99 × 6,433,376.21 - Step 4: Simplify right side
11,660,368.37x = 103,521,798,279,716.67 - Step 5: Solve for x
x = 103,521,798,279,716.67/11,660,368.37 - Step 6: Final answer
x = 8,878,089.87
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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.