Finding the Fourth Proportional to 42,212,062.58, 58,173,032.99 and 33,829,911.23
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Solution
The fourth proportional to 42,212,062.58, 58,173,032.99 and 33,829,911.23 is: 46,621,473.15
Step by Step Solution
- Step 1: Write the proportion equation
42,212,062.58 : 58,173,032.99 = 33,829,911.23 : x - Step 2: Convert to fraction form
42,212,062.58/58,173,032.99 = 33,829,911.23/x - Step 3: Cross multiply
42,212,062.58x = 58,173,032.99 × 33,829,911.23 - Step 4: Simplify right side
42,212,062.58x = 1,967,988,541,825,271.25 - Step 5: Solve for x
x = 1,967,988,541,825,271.25/42,212,062.58 - Step 6: Final answer
x = 46,621,473.15
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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.