Finding the Fourth Proportional to 43,555,577.28, 65,343,208.44 and 14,409,347.76
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Solution
The fourth proportional to 43,555,577.28, 65,343,208.44 and 14,409,347.76 is: 21,617,277.81
Step by Step Solution
- Step 1: Write the proportion equation
43,555,577.28 : 65,343,208.44 = 14,409,347.76 : x - Step 2: Convert to fraction form
43,555,577.28/65,343,208.44 = 14,409,347.76/x - Step 3: Cross multiply
43,555,577.28x = 65,343,208.44 × 14,409,347.76 - Step 4: Simplify right side
43,555,577.28x = 941,553,014,166,127 - Step 5: Solve for x
x = 941,553,014,166,127/43,555,577.28 - Step 6: Final answer
x = 21,617,277.81
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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.