Finding the Fourth Proportional to 23,297,855.80, 32,152,135.70 and 12,984,652.70
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Solution
The fourth proportional to 23,297,855.80, 32,152,135.70 and 12,984,652.70 is: 17,919,430.84
Step by Step Solution
- Step 1: Write the proportion equation
23,297,855.80 : 32,152,135.70 = 12,984,652.70 : x - Step 2: Convert to fraction form
23,297,855.80/32,152,135.70 = 12,984,652.70/x - Step 3: Cross multiply
23,297,855.80x = 32,152,135.70 × 12,984,652.70 - Step 4: Simplify right side
23,297,855.80x = 417,484,315,708,329.62 - Step 5: Solve for x
x = 417,484,315,708,329.62/23,297,855.80 - Step 6: Final answer
x = 17,919,430.84
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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.