Finding the Fourth Proportional to 36,187,869.80, 54,281,804.70 and 19,181,757.80
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Solution
The fourth proportional to 36,187,869.80, 54,281,804.70 and 19,181,757.80 is: 28,772,636.70
Step by Step Solution
- Step 1: Write the proportion equation
36,187,869.80 : 54,281,804.70 = 19,181,757.80 : x - Step 2: Convert to fraction form
36,187,869.80/54,281,804.70 = 19,181,757.80/x - Step 3: Cross multiply
36,187,869.80x = 54,281,804.70 × 19,181,757.80 - Step 4: Simplify right side
36,187,869.80x = 1,041,220,430,702,301.75 - Step 5: Solve for x
x = 1,041,220,430,702,301.75/36,187,869.80 - Step 6: Final answer
x = 28,772,636.70
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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.