Finding the Fourth Proportional to 9,757,482.57, 13,465,312.74 and 5,406,850.62
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Solution
The fourth proportional to 9,757,482.57, 13,465,312.74 and 5,406,850.62 is: 7,461,446.54
Step by Step Solution
- Step 1: Write the proportion equation
9,757,482.57 : 13,465,312.74 = 5,406,850.62 : x - Step 2: Convert to fraction form
9,757,482.57/13,465,312.74 = 5,406,850.62/x - Step 3: Cross multiply
9,757,482.57x = 13,465,312.74 × 5,406,850.62 - Step 4: Simplify right side
9,757,482.57x = 72,804,934,536,762.91 - Step 5: Solve for x
x = 72,804,934,536,762.91/9,757,482.57 - Step 6: Final answer
x = 7,461,446.54
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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.