Finding the Fourth Proportional to 13,248,301.40, 19,872,452.10 and 4,728,915.80
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Solution
The fourth proportional to 13,248,301.40, 19,872,452.10 and 4,728,915.80 is: 7,093,373.70
Step by Step Solution
- Step 1: Write the proportion equation
13,248,301.40 : 19,872,452.10 = 4,728,915.80 : x - Step 2: Convert to fraction form
13,248,301.40/19,872,452.10 = 4,728,915.80/x - Step 3: Cross multiply
13,248,301.40x = 19,872,452.10 × 4,728,915.80 - Step 4: Simplify right side
13,248,301.40x = 93,975,152,720,433.19 - Step 5: Solve for x
x = 93,975,152,720,433.19/13,248,301.40 - Step 6: Final answer
x = 7,093,373.70
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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.