Finding the Fourth Proportional to 39,807,907.02, 54,928,986.66 and 22,403,214.26
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Solution
The fourth proportional to 39,807,907.02, 54,928,986.66 and 22,403,214.26 is: 30,913,101.17
Step by Step Solution
- Step 1: Write the proportion equation
39,807,907.02 : 54,928,986.66 = 22,403,214.26 : x - Step 2: Convert to fraction form
39,807,907.02/54,928,986.66 = 22,403,214.26/x - Step 3: Cross multiply
39,807,907.02x = 54,928,986.66 × 22,403,214.26 - Step 4: Simplify right side
39,807,907.02x = 1,230,585,857,228,661.75 - Step 5: Solve for x
x = 1,230,585,857,228,661.75/39,807,907.02 - Step 6: Final answer
x = 30,913,101.17
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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.