Finding the Fourth Proportional to 21,560,675.60, 32,341,531.80 and 6,415,101.20
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Solution
The fourth proportional to 21,560,675.60, 32,341,531.80 and 6,415,101.20 is: 9,622,806.04
Step by Step Solution
- Step 1: Write the proportion equation
21,560,675.60 : 32,341,531.80 = 6,415,101.20 : x - Step 2: Convert to fraction form
21,560,675.60/32,341,531.80 = 6,415,101.20/x - Step 3: Cross multiply
21,560,675.60x = 32,341,531.80 × 6,415,101.20 - Step 4: Simplify right side
21,560,675.60x = 207,474,199,460,018.16 - Step 5: Solve for x
x = 207,474,199,460,018.16/21,560,675.60 - Step 6: Final answer
x = 9,622,806.04
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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.