Finding the Fourth Proportional to 26,567,453.71, 39,816,964.81 and 12,894,139.09
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Solution
The fourth proportional to 26,567,453.71, 39,816,964.81 and 12,894,139.09 is: 19,324,602.50
Step by Step Solution
- Step 1: Write the proportion equation
26,567,453.71 : 39,816,964.81 = 12,894,139.09 : x - Step 2: Convert to fraction form
26,567,453.71/39,816,964.81 = 12,894,139.09/x - Step 3: Cross multiply
26,567,453.71x = 39,816,964.81 × 12,894,139.09 - Step 4: Simplify right side
26,567,453.71x = 513,405,482,401,775.44 - Step 5: Solve for x
x = 513,405,482,401,775.44/26,567,453.71 - Step 6: Final answer
x = 19,324,602.50
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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.