Finding the Fourth Proportional to 10,512,038.70, 15,768,058.05 and 4,528,406.70
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Solution
The fourth proportional to 10,512,038.70, 15,768,058.05 and 4,528,406.70 is: 6,792,610.05
Step by Step Solution
- Step 1: Write the proportion equation
10,512,038.70 : 15,768,058.05 = 4,528,406.70 : x - Step 2: Convert to fraction form
10,512,038.70/15,768,058.05 = 4,528,406.70/x - Step 3: Cross multiply
10,512,038.70x = 15,768,058.05 × 4,528,406.70 - Step 4: Simplify right side
10,512,038.70x = 71,404,179,719,608.94 - Step 5: Solve for x
x = 71,404,179,719,608.94/10,512,038.70 - Step 6: Final answer
x = 6,792,610.05
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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.