Finding the Fourth Proportional to 14,080,900.75, 19,429,423.41 and 8,201,502.52
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Solution
The fourth proportional to 14,080,900.75, 19,429,423.41 and 8,201,502.52 is: 11,316,780.64
Step by Step Solution
- Step 1: Write the proportion equation
14,080,900.75 : 19,429,423.41 = 8,201,502.52 : x - Step 2: Convert to fraction form
14,080,900.75/19,429,423.41 = 8,201,502.52/x - Step 3: Cross multiply
14,080,900.75x = 19,429,423.41 × 8,201,502.52 - Step 4: Simplify right side
14,080,900.75x = 159,350,465,059,262 - Step 5: Solve for x
x = 159,350,465,059,262/14,080,900.75 - Step 6: Final answer
x = 11,316,780.64
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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.