Finding the Fourth Proportional to 10,136,739.12, 13,977,487.08 and 6,459,827.28
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Solution
The fourth proportional to 10,136,739.12, 13,977,487.08 and 6,459,827.28 is: 8,907,416.01
Step by Step Solution
- Step 1: Write the proportion equation
10,136,739.12 : 13,977,487.08 = 6,459,827.28 : x - Step 2: Convert to fraction form
10,136,739.12/13,977,487.08 = 6,459,827.28/x - Step 3: Cross multiply
10,136,739.12x = 13,977,487.08 × 6,459,827.28 - Step 4: Simplify right side
10,136,739.12x = 90,292,152,345,231.55 - Step 5: Solve for x
x = 90,292,152,345,231.55/10,136,739.12 - Step 6: Final answer
x = 8,907,416.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.