Finding the Fourth Proportional to 26,389,443.36, 39,590,359.92 and 8,192,709.12
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Solution
The fourth proportional to 26,389,443.36, 39,590,359.92 and 8,192,709.12 is: 12,290,986.91
Step by Step Solution
- Step 1: Write the proportion equation
26,389,443.36 : 39,590,359.92 = 8,192,709.12 : x - Step 2: Convert to fraction form
26,389,443.36/39,590,359.92 = 8,192,709.12/x - Step 3: Cross multiply
26,389,443.36x = 39,590,359.92 × 8,192,709.12 - Step 4: Simplify right side
26,389,443.36x = 324,352,302,780,666.50 - Step 5: Solve for x
x = 324,352,302,780,666.50/26,389,443.36 - Step 6: Final answer
x = 12,290,986.91
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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.