Finding the Fourth Proportional to 36,490,390.80, 50,356,758.93 and 19,970,505.70
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Solution
The fourth proportional to 36,490,390.80, 50,356,758.93 and 19,970,505.70 is: 27,559,308.61
Step by Step Solution
- Step 1: Write the proportion equation
36,490,390.80 : 50,356,758.93 = 19,970,505.70 : x - Step 2: Convert to fraction form
36,490,390.80/50,356,758.93 = 19,970,505.70/x - Step 3: Cross multiply
36,490,390.80x = 50,356,758.93 × 19,970,505.70 - Step 4: Simplify right side
36,490,390.80x = 1,005,649,941,245,090.88 - Step 5: Solve for x
x = 1,005,649,941,245,090.88/36,490,390.80 - Step 6: Final answer
x = 27,559,308.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.