Finding the Fourth Proportional to 32,972,830.99, 45,507,954.85 and 18,293,226.81
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Solution
The fourth proportional to 32,972,830.99, 45,507,954.85 and 18,293,226.81 is: 25,247,675.58
Step by Step Solution
- Step 1: Write the proportion equation
32,972,830.99 : 45,507,954.85 = 18,293,226.81 : x - Step 2: Convert to fraction form
32,972,830.99/45,507,954.85 = 18,293,226.81/x - Step 3: Cross multiply
32,972,830.99x = 45,507,954.85 × 18,293,226.81 - Step 4: Simplify right side
32,972,830.99x = 832,487,339,616,800.88 - Step 5: Solve for x
x = 832,487,339,616,800.88/32,972,830.99 - Step 6: Final answer
x = 25,247,675.58
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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.