Finding the Fourth Proportional to 16,139,633.48, 22,272,024.03 and 8,797,305.05
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Solution
The fourth proportional to 16,139,633.48, 22,272,024.03 and 8,797,305.05 is: 12,139,915.68
Step by Step Solution
- Step 1: Write the proportion equation
16,139,633.48 : 22,272,024.03 = 8,797,305.05 : x - Step 2: Convert to fraction form
16,139,633.48/22,272,024.03 = 8,797,305.05/x - Step 3: Cross multiply
16,139,633.48x = 22,272,024.03 × 8,797,305.05 - Step 4: Simplify right side
16,139,633.48x = 195,933,789,472,840.38 - Step 5: Solve for x
x = 195,933,789,472,840.38/16,139,633.48 - Step 6: Final answer
x = 12,139,915.68
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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.