Finding the Fourth Proportional to 22,709,376, 31,330,722.24 and 17,483,973.12
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Solution
The fourth proportional to 22,709,376, 31,330,722.24 and 17,483,973.12 is: 24,121,556.91
Step by Step Solution
- Step 1: Write the proportion equation
22,709,376 : 31,330,722.24 = 17,483,973.12 : x - Step 2: Convert to fraction form
22,709,376/31,330,722.24 = 17,483,973.12/x - Step 3: Cross multiply
22,709,376x = 31,330,722.24 × 17,483,973.12 - Step 4: Simplify right side
22,709,376x = 547,785,505,474,346.19 - Step 5: Solve for x
x = 547,785,505,474,346.19/22,709,376 - Step 6: Final answer
x = 24,121,556.91
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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.