Finding the Fourth Proportional to 18,097,448.74, 24,974,303.30 and 13,471,918.90
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Solution
The fourth proportional to 18,097,448.74, 24,974,303.30 and 13,471,918.90 is: 18,591,117.09
Step by Step Solution
- Step 1: Write the proportion equation
18,097,448.74 : 24,974,303.30 = 13,471,918.90 : x - Step 2: Convert to fraction form
18,097,448.74/24,974,303.30 = 13,471,918.90/x - Step 3: Cross multiply
18,097,448.74x = 24,974,303.30 × 13,471,918.90 - Step 4: Simplify right side
18,097,448.74x = 336,451,788,562,326.69 - Step 5: Solve for x
x = 336,451,788,562,326.69/18,097,448.74 - Step 6: Final answer
x = 18,591,117.09
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1.5x scale
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.