Finding the Fourth Proportional to 22,495,817.84, 31,044,066.36 and 12,182,301.68
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Solution
The fourth proportional to 22,495,817.84, 31,044,066.36 and 12,182,301.68 is: 16,811,488.45
Step by Step Solution
- Step 1: Write the proportion equation
22,495,817.84 : 31,044,066.36 = 12,182,301.68 : x - Step 2: Convert to fraction form
22,495,817.84/31,044,066.36 = 12,182,301.68/x - Step 3: Cross multiply
22,495,817.84x = 31,044,066.36 × 12,182,301.68 - Step 4: Simplify right side
22,495,817.84x = 378,188,181,771,459.44 - Step 5: Solve for x
x = 378,188,181,771,459.44/22,495,817.84 - Step 6: Final answer
x = 16,811,488.45
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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.