Finding the Fourth Proportional to 19,953,342.10, 29,916,722.94 and 7,172,186.05
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Solution
The fourth proportional to 19,953,342.10, 29,916,722.94 and 7,172,186.05 is: 10,753,501.94
Step by Step Solution
- Step 1: Write the proportion equation
19,953,342.10 : 29,916,722.94 = 7,172,186.05 : x - Step 2: Convert to fraction form
19,953,342.10/29,916,722.94 = 7,172,186.05/x - Step 3: Cross multiply
19,953,342.10x = 29,916,722.94 × 7,172,186.05 - Step 4: Simplify right side
19,953,342.10x = 214,568,302,931,983 - Step 5: Solve for x
x = 214,568,302,931,983/19,953,342.10 - Step 6: Final answer
x = 10,753,501.94
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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.