Finding the Fourth Proportional to 19,951,973.12, 27,534,029.28 and 11,690,058.18
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Solution
The fourth proportional to 19,951,973.12, 27,534,029.28 and 11,690,058.18 is: 16,132,459.80
Step by Step Solution
- Step 1: Write the proportion equation
19,951,973.12 : 27,534,029.28 = 11,690,058.18 : x - Step 2: Convert to fraction form
19,951,973.12/27,534,029.28 = 11,690,058.18/x - Step 3: Cross multiply
19,951,973.12x = 27,534,029.28 × 11,690,058.18 - Step 4: Simplify right side
19,951,973.12x = 321,874,404,213,023.50 - Step 5: Solve for x
x = 321,874,404,213,023.50/19,951,973.12 - Step 6: Final answer
x = 16,132,459.80
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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.