Finding the Fourth Proportional to 8,438,688.63, 11,645,446.41 and 4,571,209.98
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Solution
The fourth proportional to 8,438,688.63, 11,645,446.41 and 4,571,209.98 is: 6,308,300.16
Step by Step Solution
- Step 1: Write the proportion equation
8,438,688.63 : 11,645,446.41 = 4,571,209.98 : x - Step 2: Convert to fraction form
8,438,688.63/11,645,446.41 = 4,571,209.98/x - Step 3: Cross multiply
8,438,688.63x = 11,645,446.41 × 4,571,209.98 - Step 4: Simplify right side
8,438,688.63x = 53,233,780,850,947.18 - Step 5: Solve for x
x = 53,233,780,850,947.18/8,438,688.63 - Step 6: Final answer
x = 6,308,300.16
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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.