Finding the Fourth Proportional to 11,559,752.72, 15,952,983.96 and 6,403,113.68
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Solution
The fourth proportional to 11,559,752.72, 15,952,983.96 and 6,403,113.68 is: 8,836,587.80
Step by Step Solution
- Step 1: Write the proportion equation
11,559,752.72 : 15,952,983.96 = 6,403,113.68 : x - Step 2: Convert to fraction form
11,559,752.72/15,952,983.96 = 6,403,113.68/x - Step 3: Cross multiply
11,559,752.72x = 15,952,983.96 × 6,403,113.68 - Step 4: Simplify right side
11,559,752.72x = 102,148,769,831,096.58 - Step 5: Solve for x
x = 102,148,769,831,096.58/11,559,752.72 - Step 6: Final answer
x = 8,836,587.80
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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.