Finding the Fourth Proportional to 19,096,694.64, 28,644,761.07 and 4,719,763.80
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Solution
The fourth proportional to 19,096,694.64, 28,644,761.07 and 4,719,763.80 is: 7,079,576.28
Step by Step Solution
- Step 1: Write the proportion equation
19,096,694.64 : 28,644,761.07 = 4,719,763.80 : x - Step 2: Convert to fraction form
19,096,694.64/28,644,761.07 = 4,719,763.80/x - Step 3: Cross multiply
19,096,694.64x = 28,644,761.07 × 4,719,763.80 - Step 4: Simplify right side
19,096,694.64x = 135,196,506,357,835.27 - Step 5: Solve for x
x = 135,196,506,357,835.27/19,096,694.64 - Step 6: Final answer
x = 7,079,576.28
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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.