Finding the Fourth Proportional to 10,765,752.16, 16,135,330.80 and 9,238,701.28
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Solution
The fourth proportional to 10,765,752.16, 16,135,330.80 and 9,238,701.28 is: 13,846,640.63
Step by Step Solution
- Step 1: Write the proportion equation
10,765,752.16 : 16,135,330.80 = 9,238,701.28 : x - Step 2: Convert to fraction form
10,765,752.16/16,135,330.80 = 9,238,701.28/x - Step 3: Cross multiply
10,765,752.16x = 16,135,330.80 × 9,238,701.28 - Step 4: Simplify right side
10,765,752.16x = 149,069,501,315,183.41 - Step 5: Solve for x
x = 149,069,501,315,183.41/10,765,752.16 - Step 6: Final answer
x = 13,846,640.63
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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.