Finding the Fourth Proportional to 16,603,934.60, 24,924,564.30 and 12,834,129.80
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Solution
The fourth proportional to 16,603,934.60, 24,924,564.30 and 12,834,129.80 is: 19,265,619.94
Step by Step Solution
- Step 1: Write the proportion equation
16,603,934.60 : 24,924,564.30 = 12,834,129.80 : x - Step 2: Convert to fraction form
16,603,934.60/24,924,564.30 = 12,834,129.80/x - Step 3: Cross multiply
16,603,934.60x = 24,924,564.30 × 12,834,129.80 - Step 4: Simplify right side
16,603,934.60x = 319,885,093,434,646.19 - Step 5: Solve for x
x = 319,885,093,434,646.19/16,603,934.60 - Step 6: Final answer
x = 19,265,619.94
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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.