Finding the Fourth Proportional to 8,071,720.47, 12,101,186.75 and 4,026,125.84
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Solution
The fourth proportional to 8,071,720.47, 12,101,186.75 and 4,026,125.84 is: 6,035,999.48
Step by Step Solution
- Step 1: Write the proportion equation
8,071,720.47 : 12,101,186.75 = 4,026,125.84 : x - Step 2: Convert to fraction form
8,071,720.47/12,101,186.75 = 4,026,125.84/x - Step 3: Cross multiply
8,071,720.47x = 12,101,186.75 × 4,026,125.84 - Step 4: Simplify right side
8,071,720.47x = 48,720,900,588,204.05 - Step 5: Solve for x
x = 48,720,900,588,204.05/8,071,720.47 - Step 6: Final answer
x = 6,035,999.48
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1.5x scale
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.