Finding the Fourth Proportional to 29,319,786.10, 43,996,829.56 and 12,279,027.70
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Solution
The fourth proportional to 29,319,786.10, 43,996,829.56 and 12,279,027.70 is: 18,425,724.08
Step by Step Solution
- Step 1: Write the proportion equation
29,319,786.10 : 43,996,829.56 = 12,279,027.70 : x - Step 2: Convert to fraction form
29,319,786.10/43,996,829.56 = 12,279,027.70/x - Step 3: Cross multiply
29,319,786.10x = 43,996,829.56 × 12,279,027.70 - Step 4: Simplify right side
29,319,786.10x = 540,238,288,879,418.81 - Step 5: Solve for x
x = 540,238,288,879,418.81/29,319,786.10 - Step 6: Final answer
x = 18,425,724.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.