Finding the Fourth Proportional to 19,979,003.43, 29,956,369.68 and 7,833,916.08
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Solution
The fourth proportional to 19,979,003.43, 29,956,369.68 and 7,833,916.08 is: 11,746,115.71
Step by Step Solution
- Step 1: Write the proportion equation
19,979,003.43 : 29,956,369.68 = 7,833,916.08 : x - Step 2: Convert to fraction form
19,979,003.43/29,956,369.68 = 7,833,916.08/x - Step 3: Cross multiply
19,979,003.43x = 29,956,369.68 × 7,833,916.08 - Step 4: Simplify right side
19,979,003.43x = 234,675,686,134,576.47 - Step 5: Solve for x
x = 234,675,686,134,576.47/19,979,003.43 - Step 6: Final answer
x = 11,746,115.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.