Finding the Fourth Proportional to 11,472,202.81, 15,831,154.96 and 6,245,102.17
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Solution
The fourth proportional to 11,472,202.81, 15,831,154.96 and 6,245,102.17 is: 8,617,977.02
Step by Step Solution
- Step 1: Write the proportion equation
11,472,202.81 : 15,831,154.96 = 6,245,102.17 : x - Step 2: Convert to fraction form
11,472,202.81/15,831,154.96 = 6,245,102.17/x - Step 3: Cross multiply
11,472,202.81x = 15,831,154.96 × 6,245,102.17 - Step 4: Simplify right side
11,472,202.81x = 98,867,180,139,111.62 - Step 5: Solve for x
x = 98,867,180,139,111.62/11,472,202.81 - Step 6: Final answer
x = 8,617,977.02
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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.