Finding the Fourth Proportional to 26,997,706.86, 37,256,811.33 and 15,239,450.31
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Solution
The fourth proportional to 26,997,706.86, 37,256,811.33 and 15,239,450.31 is: 21,030,427.80
Step by Step Solution
- Step 1: Write the proportion equation
26,997,706.86 : 37,256,811.33 = 15,239,450.31 : x - Step 2: Convert to fraction form
26,997,706.86/37,256,811.33 = 15,239,450.31/x - Step 3: Cross multiply
26,997,706.86x = 37,256,811.33 × 15,239,450.31 - Step 4: Simplify right side
26,997,706.86x = 567,773,324,972,580 - Step 5: Solve for x
x = 567,773,324,972,580/26,997,706.86 - Step 6: Final answer
x = 21,030,427.80
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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.