Finding the Fourth Proportional to 7,392,525.22, 10,201,720.32 and 4,129,477.48
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Solution
The fourth proportional to 7,392,525.22, 10,201,720.32 and 4,129,477.48 is: 5,698,698.76
Step by Step Solution
- Step 1: Write the proportion equation
7,392,525.22 : 10,201,720.32 = 4,129,477.48 : x - Step 2: Convert to fraction form
7,392,525.22/10,201,720.32 = 4,129,477.48/x - Step 3: Cross multiply
7,392,525.22x = 10,201,720.32 × 4,129,477.48 - Step 4: Simplify right side
7,392,525.22x = 42,127,774,318,698.40 - Step 5: Solve for x
x = 42,127,774,318,698.40/7,392,525.22 - Step 6: Final answer
x = 5,698,698.76
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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.