Finding the Fourth Proportional to 9,546,040.80, 14,303,314.80 and 8,128,864.80
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Solution
The fourth proportional to 9,546,040.80, 14,303,314.80 and 8,128,864.80 is: 12,179,888.46
Step by Step Solution
- Step 1: Write the proportion equation
9,546,040.80 : 14,303,314.80 = 8,128,864.80 : x - Step 2: Convert to fraction form
9,546,040.80/14,303,314.80 = 8,128,864.80/x - Step 3: Cross multiply
9,546,040.80x = 14,303,314.80 × 8,128,864.80 - Step 4: Simplify right side
9,546,040.80x = 116,269,712,201,039.05 - Step 5: Solve for x
x = 116,269,712,201,039.05/9,546,040.80 - Step 6: Final answer
x = 12,179,888.46
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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.