Finding the Fourth Proportional to 22,583,281.34, 31,165,211.69 and 12,270,176.66
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Solution
The fourth proportional to 22,583,281.34, 31,165,211.69 and 12,270,176.66 is: 16,932,997.79
Step by Step Solution
- Step 1: Write the proportion equation
22,583,281.34 : 31,165,211.69 = 12,270,176.66 : x - Step 2: Convert to fraction form
22,583,281.34/31,165,211.69 = 12,270,176.66/x - Step 3: Cross multiply
22,583,281.34x = 31,165,211.69 × 12,270,176.66 - Step 4: Simplify right side
22,583,281.34x = 382,402,652,865,420.19 - Step 5: Solve for x
x = 382,402,652,865,420.19/22,583,281.34 - Step 6: Final answer
x = 16,932,997.79
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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.