Finding the Fourth Proportional to 20,265,677.96, 27,966,724.98 and 11,098,384.52
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Solution
The fourth proportional to 20,265,677.96, 27,966,724.98 and 11,098,384.52 is: 15,315,819.59
Step by Step Solution
- Step 1: Write the proportion equation
20,265,677.96 : 27,966,724.98 = 11,098,384.52 : x - Step 2: Convert to fraction form
20,265,677.96/27,966,724.98 = 11,098,384.52/x - Step 3: Cross multiply
20,265,677.96x = 27,966,724.98 × 11,098,384.52 - Step 4: Simplify right side
20,265,677.96x = 310,385,467,593,129.31 - Step 5: Solve for x
x = 310,385,467,593,129.31/20,265,677.96 - Step 6: Final answer
x = 15,315,819.59
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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.