Finding the Fourth Proportional to 26,277,842.70, 39,409,765.65 and 8,082,002.70
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Solution
The fourth proportional to 26,277,842.70, 39,409,765.65 and 8,082,002.70 is: 12,120,851.62
Step by Step Solution
- Step 1: Write the proportion equation
26,277,842.70 : 39,409,765.65 = 8,082,002.70 : x - Step 2: Convert to fraction form
26,277,842.70/39,409,765.65 = 8,082,002.70/x - Step 3: Cross multiply
26,277,842.70x = 39,409,765.65 × 8,082,002.70 - Step 4: Simplify right side
26,277,842.70x = 318,509,832,389,667.25 - Step 5: Solve for x
x = 318,509,832,389,667.25/26,277,842.70 - Step 6: Final answer
x = 12,120,851.62
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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.