Finding the Fourth Proportional to 13,019,920.10, 19,532,990.55 and 6,282,793.70
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Solution
The fourth proportional to 13,019,920.10, 19,532,990.55 and 6,282,793.70 is: 9,425,691.48
Step by Step Solution
- Step 1: Write the proportion equation
13,019,920.10 : 19,532,990.55 = 6,282,793.70 : x - Step 2: Convert to fraction form
13,019,920.10/19,532,990.55 = 6,282,793.70/x - Step 3: Cross multiply
13,019,920.10x = 19,532,990.55 × 6,282,793.70 - Step 4: Simplify right side
13,019,920.10x = 122,721,749,969,699.55 - Step 5: Solve for x
x = 122,721,749,969,699.55/13,019,920.10 - Step 6: Final answer
x = 9,425,691.48
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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.