Finding the Fourth Proportional to 38,756,432.48, 58,132,716.20 and 14,493,575.60
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Solution
The fourth proportional to 38,756,432.48, 58,132,716.20 and 14,493,575.60 is: 21,739,640.70
Step by Step Solution
- Step 1: Write the proportion equation
38,756,432.48 : 58,132,716.20 = 14,493,575.60 : x - Step 2: Convert to fraction form
38,756,432.48/58,132,716.20 = 14,493,575.60/x - Step 3: Cross multiply
38,756,432.48x = 58,132,716.20 × 14,493,575.60 - Step 4: Simplify right side
38,756,432.48x = 842,550,917,078,044.75 - Step 5: Solve for x
x = 842,550,917,078,044.75/38,756,432.48 - Step 6: Final answer
x = 21,739,640.70
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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.