Finding the Fourth Proportional to 26,934,556.87, 37,169,801.99 and 15,173,966.35
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Solution
The fourth proportional to 26,934,556.87, 37,169,801.99 and 15,173,966.35 is: 20,940,137.51
Step by Step Solution
- Step 1: Write the proportion equation
26,934,556.87 : 37,169,801.99 = 15,173,966.35 : x - Step 2: Convert to fraction form
26,934,556.87/37,169,801.99 = 15,173,966.35/x - Step 3: Cross multiply
26,934,556.87x = 37,169,801.99 × 15,173,966.35 - Step 4: Simplify right side
26,934,556.87x = 564,013,324,632,423 - Step 5: Solve for x
x = 564,013,324,632,423/26,934,556.87 - Step 6: Final answer
x = 20,940,137.51
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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.