Finding the Fourth Proportional to 40,775,606.40, 61,163,409.60 and 39,207,964.80
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Solution
The fourth proportional to 40,775,606.40, 61,163,409.60 and 39,207,964.80 is: 58,811,947.20
Step by Step Solution
- Step 1: Write the proportion equation
40,775,606.40 : 61,163,409.60 = 39,207,964.80 : x - Step 2: Convert to fraction form
40,775,606.40/61,163,409.60 = 39,207,964.80/x - Step 3: Cross multiply
40,775,606.40x = 61,163,409.60 × 39,207,964.80 - Step 4: Simplify right side
40,775,606.40x = 2,398,092,810,644,782 - Step 5: Solve for x
x = 2,398,092,810,644,782/40,775,606.40 - Step 6: Final answer
x = 58,811,947.20
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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.