Finding the Fourth Proportional to 21,576,317.58, 32,364,756.94 and 7,199,385.39
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Solution
The fourth proportional to 21,576,317.58, 32,364,756.94 and 7,199,385.39 is: 10,799,171.70
Step by Step Solution
- Step 1: Write the proportion equation
21,576,317.58 : 32,364,756.94 = 7,199,385.39 : x - Step 2: Convert to fraction form
21,576,317.58/32,364,756.94 = 7,199,385.39/x - Step 3: Cross multiply
21,576,317.58x = 32,364,756.94 × 7,199,385.39 - Step 4: Simplify right side
21,576,317.58x = 233,006,358,264,737.09 - Step 5: Solve for x
x = 233,006,358,264,737.09/21,576,317.58 - Step 6: Final answer
x = 10,799,171.70
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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.