Finding the Fourth Proportional to 8,071,720.64, 12,101,187.06 and 4,026,126.03
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Solution
The fourth proportional to 8,071,720.64, 12,101,187.06 and 4,026,126.03 is: 6,035,999.81
Step by Step Solution
- Step 1: Write the proportion equation
8,071,720.64 : 12,101,187.06 = 4,026,126.03 : x - Step 2: Convert to fraction form
8,071,720.64/12,101,187.06 = 4,026,126.03/x - Step 3: Cross multiply
8,071,720.64x = 12,101,187.06 × 4,026,126.03 - Step 4: Simplify right side
8,071,720.64x = 48,720,904,216,165.17 - Step 5: Solve for x
x = 48,720,904,216,165.17/8,071,720.64 - Step 6: Final answer
x = 6,035,999.81
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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.