Finding the Fourth Proportional to 39,002,875.70, 58,504,313.55 and 18,847,483.70
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Solution
The fourth proportional to 39,002,875.70, 58,504,313.55 and 18,847,483.70 is: 28,271,225.55
Step by Step Solution
- Step 1: Write the proportion equation
39,002,875.70 : 58,504,313.55 = 18,847,483.70 : x - Step 2: Convert to fraction form
39,002,875.70/58,504,313.55 = 18,847,483.70/x - Step 3: Cross multiply
39,002,875.70x = 58,504,313.55 × 18,847,483.70 - Step 4: Simplify right side
39,002,875.70x = 1,102,659,096,013,314 - Step 5: Solve for x
x = 1,102,659,096,013,314/39,002,875.70 - Step 6: Final answer
x = 28,271,225.55
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1.5x scale
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.