Finding the Fourth Proportional to 39,643,212.21, 54,708,005.94 and 22,239,930.99
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Solution
The fourth proportional to 39,643,212.21, 54,708,005.94 and 22,239,930.99 is: 30,691,314.07
Step by Step Solution
- Step 1: Write the proportion equation
39,643,212.21 : 54,708,005.94 = 22,239,930.99 : x - Step 2: Convert to fraction form
39,643,212.21/54,708,005.94 = 22,239,930.99/x - Step 3: Cross multiply
39,643,212.21x = 54,708,005.94 × 22,239,930.99 - Step 4: Simplify right side
39,643,212.21x = 1,216,702,276,706,110 - Step 5: Solve for x
x = 1,216,702,276,706,110/39,643,212.21 - Step 6: Final answer
x = 30,691,314.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.