Finding the Fourth Proportional to 35,638,995.60, 53,410,138.02 and 15,143,014.80
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Solution
The fourth proportional to 35,638,995.60, 53,410,138.02 and 15,143,014.80 is: 22,693,975.99
Step by Step Solution
- Step 1: Write the proportion equation
35,638,995.60 : 53,410,138.02 = 15,143,014.80 : x - Step 2: Convert to fraction form
35,638,995.60/53,410,138.02 = 15,143,014.80/x - Step 3: Cross multiply
35,638,995.60x = 53,410,138.02 × 15,143,014.80 - Step 4: Simplify right side
35,638,995.60x = 808,790,510,506,902.75 - Step 5: Solve for x
x = 808,790,510,506,902.75/35,638,995.60 - Step 6: Final answer
x = 22,693,975.99
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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.