Finding the Fourth Proportional to 12,766,671.70, 19,150,007.55 and 6,048,207.70
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Solution
The fourth proportional to 12,766,671.70, 19,150,007.55 and 6,048,207.70 is: 9,072,311.55
Step by Step Solution
- Step 1: Write the proportion equation
12,766,671.70 : 19,150,007.55 = 6,048,207.70 : x - Step 2: Convert to fraction form
12,766,671.70/19,150,007.55 = 6,048,207.70/x - Step 3: Cross multiply
12,766,671.70x = 19,150,007.55 × 6,048,207.70 - Step 4: Simplify right side
12,766,671.70x = 115,823,223,118,968.14 - Step 5: Solve for x
x = 115,823,223,118,968.14/12,766,671.70 - Step 6: Final answer
x = 9,072,311.55
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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.