Finding the Fourth Proportional to 52,036,292.28, 71,809,132.84 and 28,831,334.52
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Solution
The fourth proportional to 52,036,292.28, 71,809,132.84 and 28,831,334.52 is: 39,786,715.00
Step by Step Solution
- Step 1: Write the proportion equation
52,036,292.28 : 71,809,132.84 = 28,831,334.52 : x - Step 2: Convert to fraction form
52,036,292.28/71,809,132.84 = 28,831,334.52/x - Step 3: Cross multiply
52,036,292.28x = 71,809,132.84 × 28,831,334.52 - Step 4: Simplify right side
52,036,292.28x = 2,070,353,130,501,157.75 - Step 5: Solve for x
x = 2,070,353,130,501,157.75/52,036,292.28 - Step 6: Final answer
x = 39,786,715.00
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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.