Finding the Fourth Proportional to 19,427,354.76, 26,833,605.30 and 14,554,377.48
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Solution
The fourth proportional to 19,427,354.76, 26,833,605.30 and 14,554,377.48 is: 20,102,912.90
Step by Step Solution
- Step 1: Write the proportion equation
19,427,354.76 : 26,833,605.30 = 14,554,377.48 : x - Step 2: Convert to fraction form
19,427,354.76/26,833,605.30 = 14,554,377.48/x - Step 3: Cross multiply
19,427,354.76x = 26,833,605.30 × 14,554,377.48 - Step 4: Simplify right side
19,427,354.76x = 390,546,420,685,528.69 - Step 5: Solve for x
x = 390,546,420,685,528.69/19,427,354.76 - Step 6: Final answer
x = 20,102,912.90
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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.