Finding the Fourth Proportional to 26,245,847.40, 39,368,771.10 and 17,679,805.80
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Solution
The fourth proportional to 26,245,847.40, 39,368,771.10 and 17,679,805.80 is: 26,519,708.70
Step by Step Solution
- Step 1: Write the proportion equation
26,245,847.40 : 39,368,771.10 = 17,679,805.80 : x - Step 2: Convert to fraction form
26,245,847.40/39,368,771.10 = 17,679,805.80/x - Step 3: Cross multiply
26,245,847.40x = 39,368,771.10 × 17,679,805.80 - Step 4: Simplify right side
26,245,847.40x = 696,032,227,632,652.38 - Step 5: Solve for x
x = 696,032,227,632,652.38/26,245,847.40 - Step 6: Final answer
x = 26,519,708.70
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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.