Finding the Fourth Proportional to 16,230,728.04, 22,398,130.98 and 8,987,228.52
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Solution
The fourth proportional to 16,230,728.04, 22,398,130.98 and 8,987,228.52 is: 12,402,223.80
Step by Step Solution
- Step 1: Write the proportion equation
16,230,728.04 : 22,398,130.98 = 8,987,228.52 : x - Step 2: Convert to fraction form
16,230,728.04/22,398,130.98 = 8,987,228.52/x - Step 3: Cross multiply
16,230,728.04x = 22,398,130.98 × 8,987,228.52 - Step 4: Simplify right side
16,230,728.04x = 201,297,121,538,151.53 - Step 5: Solve for x
x = 201,297,121,538,151.53/16,230,728.04 - Step 6: Final answer
x = 12,402,223.80
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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.