Finding the Fourth Proportional to 16,128,814.20, 24,193,221.30 and 13,292,129.40
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Solution
The fourth proportional to 16,128,814.20, 24,193,221.30 and 13,292,129.40 is: 19,938,194.10
Step by Step Solution
- Step 1: Write the proportion equation
16,128,814.20 : 24,193,221.30 = 13,292,129.40 : x - Step 2: Convert to fraction form
16,128,814.20/24,193,221.30 = 13,292,129.40/x - Step 3: Cross multiply
16,128,814.20x = 24,193,221.30 × 13,292,129.40 - Step 4: Simplify right side
16,128,814.20x = 321,579,428,122,436.25 - Step 5: Solve for x
x = 321,579,428,122,436.25/16,128,814.20 - Step 6: Final answer
x = 19,938,194.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.