Finding the Fourth Proportional to 31,385,725.20, 43,313,576.04 and 17,634,646.80
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Solution
The fourth proportional to 31,385,725.20, 43,313,576.04 and 17,634,646.80 is: 24,336,529.11
Step by Step Solution
- Step 1: Write the proportion equation
31,385,725.20 : 43,313,576.04 = 17,634,646.80 : x - Step 2: Convert to fraction form
31,385,725.20/43,313,576.04 = 17,634,646.80/x - Step 3: Cross multiply
31,385,725.20x = 43,313,576.04 × 17,634,646.80 - Step 4: Simplify right side
31,385,725.20x = 763,819,615,110,342.75 - Step 5: Solve for x
x = 763,819,615,110,342.75/31,385,725.20 - Step 6: Final answer
x = 24,336,529.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.