Finding the Fourth Proportional to 13,203,296.10, 19,781,324.55 and 8,148,701.70
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Solution
The fourth proportional to 13,203,296.10, 19,781,324.55 and 8,148,701.70 is: 12,208,475.20
Step by Step Solution
- Step 1: Write the proportion equation
13,203,296.10 : 19,781,324.55 = 8,148,701.70 : x - Step 2: Convert to fraction form
13,203,296.10/19,781,324.55 = 8,148,701.70/x - Step 3: Cross multiply
13,203,296.10x = 19,781,324.55 × 8,148,701.70 - Step 4: Simplify right side
13,203,296.10x = 161,192,112,988,836.75 - Step 5: Solve for x
x = 161,192,112,988,836.75/13,203,296.10 - Step 6: Final answer
x = 12,208,475.20
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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.