Finding the Fourth Proportional to 10,361,652.30, 15,542,478.45 and 6,977,537.10
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Solution
The fourth proportional to 10,361,652.30, 15,542,478.45 and 6,977,537.10 is: 10,466,305.65
Step by Step Solution
- Step 1: Write the proportion equation
10,361,652.30 : 15,542,478.45 = 6,977,537.10 : x - Step 2: Convert to fraction form
10,361,652.30/15,542,478.45 = 6,977,537.10/x - Step 3: Cross multiply
10,361,652.30x = 15,542,478.45 × 6,977,537.10 - Step 4: Simplify right side
10,361,652.30x = 108,448,220,010,825.48 - Step 5: Solve for x
x = 108,448,220,010,825.48/10,361,652.30 - Step 6: Final answer
x = 10,466,305.65
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Double scale
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Similar ratio
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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.