Finding the Fourth Proportional to 36,254,326.50, 54,381,490.36 and 12,319,798.50
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Solution
The fourth proportional to 36,254,326.50, 54,381,490.36 and 12,319,798.50 is: 18,479,697.96
Step by Step Solution
- Step 1: Write the proportion equation
36,254,326.50 : 54,381,490.36 = 12,319,798.50 : x - Step 2: Convert to fraction form
36,254,326.50/54,381,490.36 = 12,319,798.50/x - Step 3: Cross multiply
36,254,326.50x = 54,381,490.36 × 12,319,798.50 - Step 4: Simplify right side
36,254,326.50x = 669,969,003,334,093 - Step 5: Solve for x
x = 669,969,003,334,093/36,254,326.50 - Step 6: Final answer
x = 18,479,697.96
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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.