Finding the Fourth Proportional to 16,559,343.90, 22,851,895.68 and 9,217,018.98
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Solution
The fourth proportional to 16,559,343.90, 22,851,895.68 and 9,217,018.98 is: 12,719,486.80
Step by Step Solution
- Step 1: Write the proportion equation
16,559,343.90 : 22,851,895.68 = 9,217,018.98 : x - Step 2: Convert to fraction form
16,559,343.90/22,851,895.68 = 9,217,018.98/x - Step 3: Cross multiply
16,559,343.90x = 22,851,895.68 × 9,217,018.98 - Step 4: Simplify right side
16,559,343.90x = 210,626,356,211,540 - Step 5: Solve for x
x = 210,626,356,211,540/16,559,343.90 - Step 6: Final answer
x = 12,719,486.80
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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.