Finding the Fourth Proportional to 25,645,053.42, 38,474,771.70 and 10,303,116.36
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Solution
The fourth proportional to 25,645,053.42, 38,474,771.70 and 10,303,116.36 is: 15,457,563.81
Step by Step Solution
- Step 1: Write the proportion equation
25,645,053.42 : 38,474,771.70 = 10,303,116.36 : x - Step 2: Convert to fraction form
25,645,053.42/38,474,771.70 = 10,303,116.36/x - Step 3: Cross multiply
25,645,053.42x = 38,474,771.70 × 10,303,116.36 - Step 4: Simplify right side
25,645,053.42x = 396,410,049,749,535 - Step 5: Solve for x
x = 396,410,049,749,535/25,645,053.42 - Step 6: Final answer
x = 15,457,563.81
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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.