Finding the Fourth Proportional to 39,745,377.07, 59,617,991.18 and 12,453,759.11
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Solution
The fourth proportional to 39,745,377.07, 59,617,991.18 and 12,453,759.11 is: 18,680,615.35
Step by Step Solution
- Step 1: Write the proportion equation
39,745,377.07 : 59,617,991.18 = 12,453,759.11 : x - Step 2: Convert to fraction form
39,745,377.07/59,617,991.18 = 12,453,759.11/x - Step 3: Cross multiply
39,745,377.07x = 59,617,991.18 × 12,453,759.11 - Step 4: Simplify right side
39,745,377.07x = 742,468,100,958,004 - Step 5: Solve for x
x = 742,468,100,958,004/39,745,377.07 - Step 6: Final answer
x = 18,680,615.35
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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.