Finding the Fourth Proportional to 33,898,029.80, 46,777,294.67 and 18,427,979.12
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Solution
The fourth proportional to 33,898,029.80, 46,777,294.67 and 18,427,979.12 is: 25,429,531.28
Step by Step Solution
- Step 1: Write the proportion equation
33,898,029.80 : 46,777,294.67 = 18,427,979.12 : x - Step 2: Convert to fraction form
33,898,029.80/46,777,294.67 = 18,427,979.12/x - Step 3: Cross multiply
33,898,029.80x = 46,777,294.67 × 18,427,979.12 - Step 4: Simplify right side
33,898,029.80x = 862,011,009,142,820.88 - Step 5: Solve for x
x = 862,011,009,142,820.88/33,898,029.80 - Step 6: Final answer
x = 25,429,531.28
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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.