Finding the Fourth Proportional to 19,267,267.96, 26,563,107.54 and 15,306,680.08
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Solution
The fourth proportional to 19,267,267.96, 26,563,107.54 and 15,306,680.08 is: 21,102,783.74
Step by Step Solution
- Step 1: Write the proportion equation
19,267,267.96 : 26,563,107.54 = 15,306,680.08 : x - Step 2: Convert to fraction form
19,267,267.96/26,563,107.54 = 15,306,680.08/x - Step 3: Cross multiply
19,267,267.96x = 26,563,107.54 × 15,306,680.08 - Step 4: Simplify right side
19,267,267.96x = 406,592,989,045,415.81 - Step 5: Solve for x
x = 406,592,989,045,415.81/19,267,267.96 - Step 6: Final answer
x = 21,102,783.74
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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.