Finding the Fourth Proportional to 16,774,278.09, 25,128,534.17 and 8,692,555.13
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Solution
The fourth proportional to 16,774,278.09, 25,128,534.17 and 8,692,555.13 is: 13,021,792.50
Step by Step Solution
- Step 1: Write the proportion equation
16,774,278.09 : 25,128,534.17 = 8,692,555.13 : x - Step 2: Convert to fraction form
16,774,278.09/25,128,534.17 = 8,692,555.13/x - Step 3: Cross multiply
16,774,278.09x = 25,128,534.17 × 8,692,555.13 - Step 4: Simplify right side
16,774,278.09x = 218,431,168,565,351.03 - Step 5: Solve for x
x = 218,431,168,565,351.03/16,774,278.09 - Step 6: Final answer
x = 13,021,792.50
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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.