Finding the Fourth Proportional to 21,064,119.96, 29,068,478.46 and 11,406,327.96
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Solution
The fourth proportional to 21,064,119.96, 29,068,478.46 and 11,406,327.96 is: 15,740,728.75
Step by Step Solution
- Step 1: Write the proportion equation
21,064,119.96 : 29,068,478.46 = 11,406,327.96 : x - Step 2: Convert to fraction form
21,064,119.96/29,068,478.46 = 11,406,327.96/x - Step 3: Cross multiply
21,064,119.96x = 29,068,478.46 × 11,406,327.96 - Step 4: Simplify right side
21,064,119.96x = 331,564,598,612,955.75 - Step 5: Solve for x
x = 331,564,598,612,955.75/21,064,119.96 - Step 6: Final answer
x = 15,740,728.75
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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.