Finding the Fourth Proportional to 19,770,183.16, 29,667,395.95 and 8,849,606.56
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Solution
The fourth proportional to 19,770,183.16, 29,667,395.95 and 8,849,606.56 is: 13,279,835.58
Step by Step Solution
- Step 1: Write the proportion equation
19,770,183.16 : 29,667,395.95 = 8,849,606.56 : x - Step 2: Convert to fraction form
19,770,183.16/29,667,395.95 = 8,849,606.56/x - Step 3: Cross multiply
19,770,183.16x = 29,667,395.95 × 8,849,606.56 - Step 4: Simplify right side
19,770,183.16x = 262,544,781,720,944.91 - Step 5: Solve for x
x = 262,544,781,720,944.91/19,770,183.16 - Step 6: Final answer
x = 13,279,835.58
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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.