Finding the Fourth Proportional to 31,714,365.80, 47,571,548.70 and 22,148,427.80
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Solution
The fourth proportional to 31,714,365.80, 47,571,548.70 and 22,148,427.80 is: 33,222,641.70
Step by Step Solution
- Step 1: Write the proportion equation
31,714,365.80 : 47,571,548.70 = 22,148,427.80 : x - Step 2: Convert to fraction form
31,714,365.80/47,571,548.70 = 22,148,427.80/x - Step 3: Cross multiply
31,714,365.80x = 47,571,548.70 × 22,148,427.80 - Step 4: Simplify right side
31,714,365.80x = 1,053,635,011,716,134 - Step 5: Solve for x
x = 1,053,635,011,716,134/31,714,365.80 - Step 6: Final answer
x = 33,222,641.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.