Finding the Fourth Proportional to 29,687,220.80, 41,621,828.80 and 29,687,220.80
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Solution
The fourth proportional to 29,687,220.80, 41,621,828.80 and 29,687,220.80 is: 41,621,828.80
Step by Step Solution
- Step 1: Write the proportion equation
29,687,220.80 : 41,621,828.80 = 29,687,220.80 : x - Step 2: Convert to fraction form
29,687,220.80/41,621,828.80 = 29,687,220.80/x - Step 3: Cross multiply
29,687,220.80x = 41,621,828.80 × 29,687,220.80 - Step 4: Simplify right side
29,687,220.80x = 1,235,636,421,685,399 - Step 5: Solve for x
x = 1,235,636,421,685,399/29,687,220.80 - Step 6: Final answer
x = 41,621,828.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.