Finding the Fourth Proportional to 9,516,305.20, 13,132,149.96 and 5,165,299.48
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Solution
The fourth proportional to 9,516,305.20, 13,132,149.96 and 5,165,299.48 is: 7,127,922.65
Step by Step Solution
- Step 1: Write the proportion equation
9,516,305.20 : 13,132,149.96 = 5,165,299.48 : x - Step 2: Convert to fraction form
9,516,305.20/13,132,149.96 = 5,165,299.48/x - Step 3: Cross multiply
9,516,305.20x = 13,132,149.96 × 5,165,299.48 - Step 4: Simplify right side
9,516,305.20x = 67,831,487,359,670.03 - Step 5: Solve for x
x = 67,831,487,359,670.03/9,516,305.20 - Step 6: Final answer
x = 7,127,922.65
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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.