Finding the Fourth Proportional to 38,191,992.18, 57,287,427.30 and 9,438,127.08
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Solution
The fourth proportional to 38,191,992.18, 57,287,427.30 and 9,438,127.08 is: 14,157,051.99
Step by Step Solution
- Step 1: Write the proportion equation
38,191,992.18 : 57,287,427.30 = 9,438,127.08 : x - Step 2: Convert to fraction form
38,191,992.18/57,287,427.30 = 9,438,127.08/x - Step 3: Cross multiply
38,191,992.18x = 57,287,427.30 × 9,438,127.08 - Step 4: Simplify right side
38,191,992.18x = 540,686,018,943,661.25 - Step 5: Solve for x
x = 540,686,018,943,661.25/38,191,992.18 - Step 6: Final answer
x = 14,157,051.99
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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.