Finding the Fourth Proportional to 57,792,017.92, 86,687,035.36 and 19,453,528.80
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Solution
The fourth proportional to 57,792,017.92, 86,687,035.36 and 19,453,528.80 is: 29,179,959.44
Step by Step Solution
- Step 1: Write the proportion equation
57,792,017.92 : 86,687,035.36 = 19,453,528.80 : x - Step 2: Convert to fraction form
57,792,017.92/86,687,035.36 = 19,453,528.80/x - Step 3: Cross multiply
57,792,017.92x = 86,687,035.36 × 19,453,528.80 - Step 4: Simplify right side
57,792,017.92x = 1,686,368,738,962,378.50 - Step 5: Solve for x
x = 1,686,368,738,962,378.50/57,792,017.92 - Step 6: Final answer
x = 29,179,959.44
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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.