Finding the Fourth Proportional to 23,280,373.29, 32,125,378.17 and 13,982,418.56
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Solution
The fourth proportional to 23,280,373.29, 32,125,378.17 and 13,982,418.56 is: 19,294,814.49
Step by Step Solution
- Step 1: Write the proportion equation
23,280,373.29 : 32,125,378.17 = 13,982,418.56 : x - Step 2: Convert to fraction form
23,280,373.29/32,125,378.17 = 13,982,418.56/x - Step 3: Cross multiply
23,280,373.29x = 32,125,378.17 × 13,982,418.56 - Step 4: Simplify right side
23,280,373.29x = 449,190,483,971,226.88 - Step 5: Solve for x
x = 449,190,483,971,226.88/23,280,373.29 - Step 6: Final answer
x = 19,294,814.49
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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.