Finding the Fourth Proportional to 9,358,873.80, 14,038,310.70 and 4,320,025.80
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Solution
The fourth proportional to 9,358,873.80, 14,038,310.70 and 4,320,025.80 is: 6,480,038.70
Step by Step Solution
- Step 1: Write the proportion equation
9,358,873.80 : 14,038,310.70 = 4,320,025.80 : x - Step 2: Convert to fraction form
9,358,873.80/14,038,310.70 = 4,320,025.80/x - Step 3: Cross multiply
9,358,873.80x = 14,038,310.70 × 4,320,025.80 - Step 4: Simplify right side
9,358,873.80x = 60,645,864,412,416.05 - Step 5: Solve for x
x = 60,645,864,412,416.05/9,358,873.80 - Step 6: Final answer
x = 6,480,038.70
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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.