Finding the Fourth Proportional to 24,194,738.20, 36,292,107.30 and 19,943,210.20
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Solution
The fourth proportional to 24,194,738.20, 36,292,107.30 and 19,943,210.20 is: 29,914,815.30
Step by Step Solution
- Step 1: Write the proportion equation
24,194,738.20 : 36,292,107.30 = 19,943,210.20 : x - Step 2: Convert to fraction form
24,194,738.20/36,292,107.30 = 19,943,210.20/x - Step 3: Cross multiply
24,194,738.20x = 36,292,107.30 × 19,943,210.20 - Step 4: Simplify right side
24,194,738.20x = 723,781,124,484,854.38 - Step 5: Solve for x
x = 723,781,124,484,854.38/24,194,738.20 - Step 6: Final answer
x = 29,914,815.30
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Double scale
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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.