Finding the Fourth Proportional to 17,995,750.56, 24,808,297.68 and 12,830,147.28
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Solution
The fourth proportional to 17,995,750.56, 24,808,297.68 and 12,830,147.28 is: 17,687,181.87
Step by Step Solution
- Step 1: Write the proportion equation
17,995,750.56 : 24,808,297.68 = 12,830,147.28 : x - Step 2: Convert to fraction form
17,995,750.56/24,808,297.68 = 12,830,147.28/x - Step 3: Cross multiply
17,995,750.56x = 24,808,297.68 × 12,830,147.28 - Step 4: Simplify right side
17,995,750.56x = 318,294,113,000,482.31 - Step 5: Solve for x
x = 318,294,113,000,482.31/17,995,750.56 - Step 6: Final answer
x = 17,687,181.87
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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.