Finding the Fourth Proportional to 11,596,958.40, 17,395,437.60 and 9,721,387.20
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Solution
The fourth proportional to 11,596,958.40, 17,395,437.60 and 9,721,387.20 is: 14,582,080.80
Step by Step Solution
- Step 1: Write the proportion equation
11,596,958.40 : 17,395,437.60 = 9,721,387.20 : x - Step 2: Convert to fraction form
11,596,958.40/17,395,437.60 = 9,721,387.20/x - Step 3: Cross multiply
11,596,958.40x = 17,395,437.60 × 9,721,387.20 - Step 4: Simplify right side
11,596,958.40x = 169,107,784,423,038.72 - Step 5: Solve for x
x = 169,107,784,423,038.72/11,596,958.40 - Step 6: Final answer
x = 14,582,080.80
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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.