Finding the Fourth Proportional to 14,869,225.58, 20,519,885.12 and 8,343,337.70
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Solution
The fourth proportional to 14,869,225.58, 20,519,885.12 and 8,343,337.70 is: 11,514,004.56
Step by Step Solution
- Step 1: Write the proportion equation
14,869,225.58 : 20,519,885.12 = 8,343,337.70 : x - Step 2: Convert to fraction form
14,869,225.58/20,519,885.12 = 8,343,337.70/x - Step 3: Cross multiply
14,869,225.58x = 20,519,885.12 × 8,343,337.70 - Step 4: Simplify right side
14,869,225.58x = 171,204,331,193,523.06 - Step 5: Solve for x
x = 171,204,331,193,523.06/14,869,225.58 - Step 6: Final answer
x = 11,514,004.56
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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.