Finding the Fourth Proportional to 8,085,189.12, 12,121,386.24 and 3,035,937.28
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Solution
The fourth proportional to 8,085,189.12, 12,121,386.24 and 3,035,937.28 is: 4,551,503.72
Step by Step Solution
- Step 1: Write the proportion equation
8,085,189.12 : 12,121,386.24 = 3,035,937.28 : x - Step 2: Convert to fraction form
8,085,189.12/12,121,386.24 = 3,035,937.28/x - Step 3: Cross multiply
8,085,189.12x = 12,121,386.24 × 3,035,937.28 - Step 4: Simplify right side
8,085,189.12x = 36,799,768,371,295.02 - Step 5: Solve for x
x = 36,799,768,371,295.02/8,085,189.12 - Step 6: Final answer
x = 4,551,503.72
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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.