Finding the Fourth Proportional to 26,771,243.20, 40,240,845.60 and 26,267,358.40
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Solution
The fourth proportional to 26,771,243.20, 40,240,845.60 and 26,267,358.40 is: 39,483,437.72
Step by Step Solution
- Step 1: Write the proportion equation
26,771,243.20 : 40,240,845.60 = 26,267,358.40 : x - Step 2: Convert to fraction form
26,771,243.20/40,240,845.60 = 26,267,358.40/x - Step 3: Cross multiply
26,771,243.20x = 40,240,845.60 × 26,267,358.40 - Step 4: Simplify right side
26,771,243.20x = 1,057,020,713,694,263 - Step 5: Solve for x
x = 1,057,020,713,694,263/26,771,243.20 - Step 6: Final answer
x = 39,483,437.72
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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.