Finding the Fourth Proportional to 47,154,771.97, 65,073,588.45 and 26,246,355.92
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Solution
The fourth proportional to 47,154,771.97, 65,073,588.45 and 26,246,355.92 is: 36,219,972.91
Step by Step Solution
- Step 1: Write the proportion equation
47,154,771.97 : 65,073,588.45 = 26,246,355.92 : x - Step 2: Convert to fraction form
47,154,771.97/65,073,588.45 = 26,246,355.92/x - Step 3: Cross multiply
47,154,771.97x = 65,073,588.45 × 26,246,355.92 - Step 4: Simplify right side
47,154,771.97x = 1,707,944,563,336,151 - Step 5: Solve for x
x = 1,707,944,563,336,151/47,154,771.97 - Step 6: Final answer
x = 36,219,972.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.