Finding the Fourth Proportional to 14,272,256.50, 19,695,706.41 and 8,077,190.74
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Solution
The fourth proportional to 14,272,256.50, 19,695,706.41 and 8,077,190.74 is: 11,146,518.94
Step by Step Solution
- Step 1: Write the proportion equation
14,272,256.50 : 19,695,706.41 = 8,077,190.74 : x - Step 2: Convert to fraction form
14,272,256.50/19,695,706.41 = 8,077,190.74/x - Step 3: Cross multiply
14,272,256.50x = 19,695,706.41 × 8,077,190.74 - Step 4: Simplify right side
14,272,256.50x = 159,085,977,432,610.66 - Step 5: Solve for x
x = 159,085,977,432,610.66/14,272,256.50 - Step 6: Final answer
x = 11,146,518.94
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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.