Finding the Fourth Proportional to 8,583,206.24, 11,839,897.40 and 5,358,343.52
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Solution
The fourth proportional to 8,583,206.24, 11,839,897.40 and 5,358,343.52 is: 7,391,438.09
Step by Step Solution
- Step 1: Write the proportion equation
8,583,206.24 : 11,839,897.40 = 5,358,343.52 : x - Step 2: Convert to fraction form
8,583,206.24/11,839,897.40 = 5,358,343.52/x - Step 3: Cross multiply
8,583,206.24x = 11,839,897.40 × 5,358,343.52 - Step 4: Simplify right side
8,583,206.24x = 63,442,237,510,754.84 - Step 5: Solve for x
x = 63,442,237,510,754.84/8,583,206.24 - Step 6: Final answer
x = 7,391,438.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.