Finding the Fourth Proportional to 19,144,467.80, 26,429,121.48 and 14,783,764.76
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Solution
The fourth proportional to 19,144,467.80, 26,429,121.48 and 14,783,764.76 is: 20,409,129.09
Step by Step Solution
- Step 1: Write the proportion equation
19,144,467.80 : 26,429,121.48 = 14,783,764.76 : x - Step 2: Convert to fraction form
19,144,467.80/26,429,121.48 = 14,783,764.76/x - Step 3: Cross multiply
19,144,467.80x = 26,429,121.48 × 14,783,764.76 - Step 4: Simplify right side
19,144,467.80x = 390,721,914,773,783.06 - Step 5: Solve for x
x = 390,721,914,773,783.06/19,144,467.80 - Step 6: Final answer
x = 20,409,129.09
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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.