Finding the Fourth Proportional to 19,618,394.88, 29,427,248.88 and 8,828,058.72
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Solution
The fourth proportional to 19,618,394.88, 29,427,248.88 and 8,828,058.72 is: 13,241,933.54
Step by Step Solution
- Step 1: Write the proportion equation
19,618,394.88 : 29,427,248.88 = 8,828,058.72 : x - Step 2: Convert to fraction form
19,618,394.88/29,427,248.88 = 8,828,058.72/x - Step 3: Cross multiply
19,618,394.88x = 29,427,248.88 × 8,828,058.72 - Step 4: Simplify right side
19,618,394.88x = 259,785,481,080,694.25 - Step 5: Solve for x
x = 259,785,481,080,694.25/19,618,394.88 - Step 6: Final answer
x = 13,241,933.54
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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.