Finding the Fourth Proportional to 26,390,961.09, 39,593,035.28 and 18,625,038.60
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Solution
The fourth proportional to 26,390,961.09, 39,593,035.28 and 18,625,038.60 is: 27,942,211.27
Step by Step Solution
- Step 1: Write the proportion equation
26,390,961.09 : 39,593,035.28 = 18,625,038.60 : x - Step 2: Convert to fraction form
26,390,961.09/39,593,035.28 = 18,625,038.60/x - Step 3: Cross multiply
26,390,961.09x = 39,593,035.28 × 18,625,038.60 - Step 4: Simplify right side
26,390,961.09x = 737,421,810,288,036.62 - Step 5: Solve for x
x = 737,421,810,288,036.62/26,390,961.09 - Step 6: Final answer
x = 27,942,211.27
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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.