Finding the Fourth Proportional to 56,622,989.98, 84,907,649.84 and 19,722,010.48
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Solution
The fourth proportional to 56,622,989.98, 84,907,649.84 and 19,722,010.48 is: 29,573,668.94
Step by Step Solution
- Step 1: Write the proportion equation
56,622,989.98 : 84,907,649.84 = 19,722,010.48 : x - Step 2: Convert to fraction form
56,622,989.98/84,907,649.84 = 19,722,010.48/x - Step 3: Cross multiply
56,622,989.98x = 84,907,649.84 × 19,722,010.48 - Step 4: Simplify right side
56,622,989.98x = 1,674,549,559,976,650.50 - Step 5: Solve for x
x = 1,674,549,559,976,650.50/56,622,989.98 - Step 6: Final answer
x = 29,573,668.94
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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.