Finding the Fourth Proportional to 10,283,234.54, 14,190,660.77 and 5,637,029.58
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Solution
The fourth proportional to 10,283,234.54, 14,190,660.77 and 5,637,029.58 is: 7,778,989.60
Step by Step Solution
- Step 1: Write the proportion equation
10,283,234.54 : 14,190,660.77 = 5,637,029.58 : x - Step 2: Convert to fraction form
10,283,234.54/14,190,660.77 = 5,637,029.58/x - Step 3: Cross multiply
10,283,234.54x = 14,190,660.77 × 5,637,029.58 - Step 4: Simplify right side
10,283,234.54x = 79,993,174,492,050.44 - Step 5: Solve for x
x = 79,993,174,492,050.44/10,283,234.54 - Step 6: Final answer
x = 7,778,989.60
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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.