Finding the Fourth Proportional to 7,456,140.66, 11,160,288.05 and 3,989,207.42
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Solution
The fourth proportional to 7,456,140.66, 11,160,288.05 and 3,989,207.42 is: 5,971,011.80
Step by Step Solution
- Step 1: Write the proportion equation
7,456,140.66 : 11,160,288.05 = 3,989,207.42 : x - Step 2: Convert to fraction form
7,456,140.66/11,160,288.05 = 3,989,207.42/x - Step 3: Cross multiply
7,456,140.66x = 11,160,288.05 × 3,989,207.42 - Step 4: Simplify right side
7,456,140.66x = 44,520,703,842,595.89 - Step 5: Solve for x
x = 44,520,703,842,595.89/7,456,140.66 - Step 6: Final answer
x = 5,971,011.80
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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.