Finding the Fourth Proportional to 11,311,669.40, 16,965,314.25 and 4,395,136.91
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Solution
The fourth proportional to 11,311,669.40, 16,965,314.25 and 4,395,136.91 is: 6,591,854.50
Step by Step Solution
- Step 1: Write the proportion equation
11,311,669.40 : 16,965,314.25 = 4,395,136.91 : x - Step 2: Convert to fraction form
11,311,669.40/16,965,314.25 = 4,395,136.91/x - Step 3: Cross multiply
11,311,669.40x = 16,965,314.25 × 4,395,136.91 - Step 4: Simplify right side
11,311,669.40x = 74,564,878,849,923.97 - Step 5: Solve for x
x = 74,564,878,849,923.97/11,311,669.40 - Step 6: Final answer
x = 6,591,854.50
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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.