Finding the Fourth Proportional to 14,648,833.26, 20,214,400.50 and 8,454,138.75
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Solution
The fourth proportional to 14,648,833.26, 20,214,400.50 and 8,454,138.75 is: 11,666,140.47
Step by Step Solution
- Step 1: Write the proportion equation
14,648,833.26 : 20,214,400.50 = 8,454,138.75 : x - Step 2: Convert to fraction form
14,648,833.26/20,214,400.50 = 8,454,138.75/x - Step 3: Cross multiply
14,648,833.26x = 20,214,400.50 × 8,454,138.75 - Step 4: Simplify right side
14,648,833.26x = 170,895,346,575,069.38 - Step 5: Solve for x
x = 170,895,346,575,069.38/14,648,833.26 - Step 6: Final answer
x = 11,666,140.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.