Finding the Fourth Proportional to 18,466,285.31, 25,484,792.43 and 10,206,170.09
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Solution
The fourth proportional to 18,466,285.31, 25,484,792.43 and 10,206,170.09 is: 14,085,243.56
Step by Step Solution
- Step 1: Write the proportion equation
18,466,285.31 : 25,484,792.43 = 10,206,170.09 : x - Step 2: Convert to fraction form
18,466,285.31/25,484,792.43 = 10,206,170.09/x - Step 3: Cross multiply
18,466,285.31x = 25,484,792.43 × 10,206,170.09 - Step 4: Simplify right side
18,466,285.31x = 260,102,126,248,924.41 - Step 5: Solve for x
x = 260,102,126,248,924.41/18,466,285.31 - Step 6: Final answer
x = 14,085,243.56
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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.