Finding the Fourth Proportional to 21,431,361, 29,575,289.70 and 11,774,191.08
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Solution
The fourth proportional to 21,431,361, 29,575,289.70 and 11,774,191.08 is: 16,248,390.02
Step by Step Solution
- Step 1: Write the proportion equation
21,431,361 : 29,575,289.70 = 11,774,191.08 : x - Step 2: Convert to fraction form
21,431,361/29,575,289.70 = 11,774,191.08/x - Step 3: Cross multiply
21,431,361x = 29,575,289.70 × 11,774,191.08 - Step 4: Simplify right side
21,431,361x = 348,225,112,174,155.88 - Step 5: Solve for x
x = 348,225,112,174,155.88/21,431,361 - Step 6: Final answer
x = 16,248,390.02
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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.