Finding the Fourth Proportional to 17,874,378.70, 26,784,011.85 and 13,303,986.10
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Solution
The fourth proportional to 17,874,378.70, 26,784,011.85 and 13,303,986.10 is: 19,935,468.94
Step by Step Solution
- Step 1: Write the proportion equation
17,874,378.70 : 26,784,011.85 = 13,303,986.10 : x - Step 2: Convert to fraction form
17,874,378.70/26,784,011.85 = 13,303,986.10/x - Step 3: Cross multiply
17,874,378.70x = 26,784,011.85 × 13,303,986.10 - Step 4: Simplify right side
17,874,378.70x = 356,334,121,354,635.31 - Step 5: Solve for x
x = 356,334,121,354,635.31/17,874,378.70 - Step 6: Final answer
x = 19,935,468.94
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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.