Finding the Fourth Proportional to 19,465,997.28, 29,216,644.16 and 10,375,730.08
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Solution
The fourth proportional to 19,465,997.28, 29,216,644.16 and 10,375,730.08 is: 15,573,001.95
Step by Step Solution
- Step 1: Write the proportion equation
19,465,997.28 : 29,216,644.16 = 10,375,730.08 : x - Step 2: Convert to fraction form
19,465,997.28/29,216,644.16 = 10,375,730.08/x - Step 3: Cross multiply
19,465,997.28x = 29,216,644.16 × 10,375,730.08 - Step 4: Simplify right side
19,465,997.28x = 303,144,013,647,568.31 - Step 5: Solve for x
x = 303,144,013,647,568.31/19,465,997.28 - Step 6: Final answer
x = 15,573,001.95
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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.