Finding the Fourth Proportional to 10,176,015.80, 15,264,023.70 and 9,546,159.80
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Solution
The fourth proportional to 10,176,015.80, 15,264,023.70 and 9,546,159.80 is: 14,319,239.70
Step by Step Solution
- Step 1: Write the proportion equation
10,176,015.80 : 15,264,023.70 = 9,546,159.80 : x - Step 2: Convert to fraction form
10,176,015.80/15,264,023.70 = 9,546,159.80/x - Step 3: Cross multiply
10,176,015.80x = 15,264,023.70 × 9,546,159.80 - Step 4: Simplify right side
10,176,015.80x = 145,712,809,431,187.25 - Step 5: Solve for x
x = 145,712,809,431,187.25/10,176,015.80 - Step 6: Final answer
x = 14,319,239.70
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1.5x scale
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.