Finding the Fourth Proportional to 18,075,774.87, 24,933,615.08 and 10,728,767.07
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Solution
The fourth proportional to 18,075,774.87, 24,933,615.08 and 10,728,767.07 is: 14,799,196.73
Step by Step Solution
- Step 1: Write the proportion equation
18,075,774.87 : 24,933,615.08 = 10,728,767.07 : x - Step 2: Convert to fraction form
18,075,774.87/24,933,615.08 = 10,728,767.07/x - Step 3: Cross multiply
18,075,774.87x = 24,933,615.08 × 10,728,767.07 - Step 4: Simplify right side
18,075,774.87x = 267,506,948,352,715.59 - Step 5: Solve for x
x = 267,506,948,352,715.59/18,075,774.87 - Step 6: Final answer
x = 14,799,196.73
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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.