Finding the Fourth Proportional to 16,054,503.84, 22,155,229.62 and 8,712,337.05
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Solution
The fourth proportional to 16,054,503.84, 22,155,229.62 and 8,712,337.05 is: 12,023,032.90
Step by Step Solution
- Step 1: Write the proportion equation
16,054,503.84 : 22,155,229.62 = 8,712,337.05 : x - Step 2: Convert to fraction form
16,054,503.84/22,155,229.62 = 8,712,337.05/x - Step 3: Cross multiply
16,054,503.84x = 22,155,229.62 × 8,712,337.05 - Step 4: Simplify right side
16,054,503.84x = 193,023,827,869,583.44 - Step 5: Solve for x
x = 193,023,827,869,583.44/16,054,503.84 - Step 6: Final answer
x = 12,023,032.90
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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.