Finding the Fourth Proportional to 13,253,164.20, 19,851,752.70 and 11,013,676.20
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Solution
The fourth proportional to 13,253,164.20, 19,851,752.70 and 11,013,676.20 is: 16,497,250.99
Step by Step Solution
- Step 1: Write the proportion equation
13,253,164.20 : 19,851,752.70 = 11,013,676.20 : x - Step 2: Convert to fraction form
13,253,164.20/19,851,752.70 = 11,013,676.20/x - Step 3: Cross multiply
13,253,164.20x = 19,851,752.70 × 11,013,676.20 - Step 4: Simplify right side
13,253,164.20x = 218,640,776,240,275.72 - Step 5: Solve for x
x = 218,640,776,240,275.72/13,253,164.20 - Step 6: Final answer
x = 16,497,250.99
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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.