Finding the Fourth Proportional to 9,765,040.80, 14,651,708.40 and 4,713,751.20
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Solution
The fourth proportional to 9,765,040.80, 14,651,708.40 and 4,713,751.20 is: 7,072,628.72
Step by Step Solution
- Step 1: Write the proportion equation
9,765,040.80 : 14,651,708.40 = 4,713,751.20 : x - Step 2: Convert to fraction form
9,765,040.80/14,651,708.40 = 4,713,751.20/x - Step 3: Cross multiply
9,765,040.80x = 14,651,708.40 × 4,713,751.20 - Step 4: Simplify right side
9,765,040.80x = 69,064,508,052,550.09 - Step 5: Solve for x
x = 69,064,508,052,550.09/9,765,040.80 - Step 6: Final answer
x = 7,072,628.72
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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.