Finding the Fourth Proportional to 20,227,806.27, 30,335,384.93 and 6,761,484.99
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Solution
The fourth proportional to 20,227,806.27, 30,335,384.93 and 6,761,484.99 is: 10,140,113.42
Step by Step Solution
- Step 1: Write the proportion equation
20,227,806.27 : 30,335,384.93 = 6,761,484.99 : x - Step 2: Convert to fraction form
20,227,806.27/30,335,384.93 = 6,761,484.99/x - Step 3: Cross multiply
20,227,806.27x = 30,335,384.93 × 6,761,484.99 - Step 4: Simplify right side
20,227,806.27x = 205,112,249,836,259.78 - Step 5: Solve for x
x = 205,112,249,836,259.78/20,227,806.27 - Step 6: Final answer
x = 10,140,113.42
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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.