Finding the Fourth Proportional to 29,569,454.12, 40,790,562.18 and 18,710,736.68
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Solution
The fourth proportional to 29,569,454.12, 40,790,562.18 and 18,710,736.68 is: 25,811,145.00
Step by Step Solution
- Step 1: Write the proportion equation
29,569,454.12 : 40,790,562.18 = 18,710,736.68 : x - Step 2: Convert to fraction form
29,569,454.12/40,790,562.18 = 18,710,736.68/x - Step 3: Cross multiply
29,569,454.12x = 40,790,562.18 × 18,710,736.68 - Step 4: Simplify right side
29,569,454.12x = 763,221,467,979,146.75 - Step 5: Solve for x
x = 763,221,467,979,146.75/29,569,454.12 - Step 6: Final answer
x = 25,811,145.00
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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.