Finding the Fourth Proportional to 26,479,127.40, 39,718,692.70 and 8,528,231.40
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Solution
The fourth proportional to 26,479,127.40, 39,718,692.70 and 8,528,231.40 is: 12,792,347.62
Step by Step Solution
- Step 1: Write the proportion equation
26,479,127.40 : 39,718,692.70 = 8,528,231.40 : x - Step 2: Convert to fraction form
26,479,127.40/39,718,692.70 = 8,528,231.40/x - Step 3: Cross multiply
26,479,127.40x = 39,718,692.70 × 8,528,231.40 - Step 4: Simplify right side
26,479,127.40x = 338,730,202,251,090.81 - Step 5: Solve for x
x = 338,730,202,251,090.81/26,479,127.40 - Step 6: Final answer
x = 12,792,347.62
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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.