Finding the Fourth Proportional to 30,125,412.27, 45,161,627.76 and 11,942,379.99
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Solution
The fourth proportional to 30,125,412.27, 45,161,627.76 and 11,942,379.99 is: 17,903,068.51
Step by Step Solution
- Step 1: Write the proportion equation
30,125,412.27 : 45,161,627.76 = 11,942,379.99 : x - Step 2: Convert to fraction form
30,125,412.27/45,161,627.76 = 11,942,379.99/x - Step 3: Cross multiply
30,125,412.27x = 45,161,627.76 × 11,942,379.99 - Step 4: Simplify right side
30,125,412.27x = 539,337,319,676,852.50 - Step 5: Solve for x
x = 539,337,319,676,852.50/30,125,412.27 - Step 6: Final answer
x = 17,903,068.51
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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.