Finding the Fourth Proportional to 19,356,704.41, 26,712,956.81 and 10,535,729.26
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Solution
The fourth proportional to 19,356,704.41, 26,712,956.81 and 10,535,729.26 is: 14,539,689.96
Step by Step Solution
- Step 1: Write the proportion equation
19,356,704.41 : 26,712,956.81 = 10,535,729.26 : x - Step 2: Convert to fraction form
19,356,704.41/26,712,956.81 = 10,535,729.26/x - Step 3: Cross multiply
19,356,704.41x = 26,712,956.81 × 10,535,729.26 - Step 4: Simplify right side
19,356,704.41x = 281,440,480,684,233.25 - Step 5: Solve for x
x = 281,440,480,684,233.25/19,356,704.41 - Step 6: Final answer
x = 14,539,689.96
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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.