Finding the Fourth Proportional to 40,482,960.74, 60,724,367.28 and 13,189,221.26
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Solution
The fourth proportional to 40,482,960.74, 60,724,367.28 and 13,189,221.26 is: 19,783,807.84
Step by Step Solution
- Step 1: Write the proportion equation
40,482,960.74 : 60,724,367.28 = 13,189,221.26 : x - Step 2: Convert to fraction form
40,482,960.74/60,724,367.28 = 13,189,221.26/x - Step 3: Cross multiply
40,482,960.74x = 60,724,367.28 × 13,189,221.26 - Step 4: Simplify right side
40,482,960.74x = 800,907,115,929,424.38 - Step 5: Solve for x
x = 800,907,115,929,424.38/40,482,960.74 - Step 6: Final answer
x = 19,783,807.84
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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.