Finding the Fourth Proportional to 49,391,628.98, 74,058,726.35 and 18,688,576.23
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Solution
The fourth proportional to 49,391,628.98, 74,058,726.35 and 18,688,576.23 is: 28,021,998.49
Step by Step Solution
- Step 1: Write the proportion equation
49,391,628.98 : 74,058,726.35 = 18,688,576.23 : x - Step 2: Convert to fraction form
49,391,628.98/74,058,726.35 = 18,688,576.23/x - Step 3: Cross multiply
49,391,628.98x = 74,058,726.35 × 18,688,576.23 - Step 4: Simplify right side
49,391,628.98x = 1,384,052,152,795,241.75 - Step 5: Solve for x
x = 1,384,052,152,795,241.75/49,391,628.98 - Step 6: Final answer
x = 28,021,998.49
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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.