Finding the Fourth Proportional to 11,485,511.84, 15,849,801.97 and 6,258,556.94
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Solution
The fourth proportional to 11,485,511.84, 15,849,801.97 and 6,258,556.94 is: 8,636,697.20
Step by Step Solution
- Step 1: Write the proportion equation
11,485,511.84 : 15,849,801.97 = 6,258,556.94 : x - Step 2: Convert to fraction form
11,485,511.84/15,849,801.97 = 6,258,556.94/x - Step 3: Cross multiply
11,485,511.84x = 15,849,801.97 × 6,258,556.94 - Step 4: Simplify right side
11,485,511.84x = 99,196,888,022,073.77 - Step 5: Solve for x
x = 99,196,888,022,073.77/11,485,511.84 - Step 6: Final answer
x = 8,636,697.20
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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.