Finding the Fourth Proportional to 8,403,402.16, 12,604,325.68 and 2,338,225.84
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Solution
The fourth proportional to 8,403,402.16, 12,604,325.68 and 2,338,225.84 is: 3,507,122.41
Step by Step Solution
- Step 1: Write the proportion equation
8,403,402.16 : 12,604,325.68 = 2,338,225.84 : x - Step 2: Convert to fraction form
8,403,402.16/12,604,325.68 = 2,338,225.84/x - Step 3: Cross multiply
8,403,402.16x = 12,604,325.68 × 2,338,225.84 - Step 4: Simplify right side
8,403,402.16x = 29,471,760,000,751.57 - Step 5: Solve for x
x = 29,471,760,000,751.57/8,403,402.16 - Step 6: Final answer
x = 3,507,122.41
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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.