Finding the Fourth Proportional to 13,297,322.12, 19,938,894.06 and 6,901,134.44
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Solution
The fourth proportional to 13,297,322.12, 19,938,894.06 and 6,901,134.44 is: 10,348,022.50
Step by Step Solution
- Step 1: Write the proportion equation
13,297,322.12 : 19,938,894.06 = 6,901,134.44 : x - Step 2: Convert to fraction form
13,297,322.12/19,938,894.06 = 6,901,134.44/x - Step 3: Cross multiply
13,297,322.12x = 19,938,894.06 × 6,901,134.44 - Step 4: Simplify right side
13,297,322.12x = 137,600,988,492,977.42 - Step 5: Solve for x
x = 137,600,988,492,977.42/13,297,322.12 - Step 6: Final answer
x = 10,348,022.50
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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.