Finding the Fourth Proportional to 44,286,847.80, 66,430,271.70 and 21,612,031.80
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Solution
The fourth proportional to 44,286,847.80, 66,430,271.70 and 21,612,031.80 is: 32,418,047.70
Step by Step Solution
- Step 1: Write the proportion equation
44,286,847.80 : 66,430,271.70 = 21,612,031.80 : x - Step 2: Convert to fraction form
44,286,847.80/66,430,271.70 = 21,612,031.80/x - Step 3: Cross multiply
44,286,847.80x = 66,430,271.70 × 21,612,031.80 - Step 4: Simplify right side
44,286,847.80x = 1,435,693,144,463,040.25 - Step 5: Solve for x
x = 1,435,693,144,463,040.25/44,286,847.80 - Step 6: Final answer
x = 32,418,047.70
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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.