Finding the Fourth Proportional to 22,035,652.56, 30,408,590.16 and 12,245,845.68
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Solution
The fourth proportional to 22,035,652.56, 30,408,590.16 and 12,245,845.68 is: 16,898,927.84
Step by Step Solution
- Step 1: Write the proportion equation
22,035,652.56 : 30,408,590.16 = 12,245,845.68 : x - Step 2: Convert to fraction form
22,035,652.56/30,408,590.16 = 12,245,845.68/x - Step 3: Cross multiply
22,035,652.56x = 30,408,590.16 × 12,245,845.68 - Step 4: Simplify right side
22,035,652.56x = 372,378,902,445,726.50 - Step 5: Solve for x
x = 372,378,902,445,726.50/22,035,652.56 - Step 6: Final answer
x = 16,898,927.84
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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.