Finding the Fourth Proportional to 19,026,087.34, 26,212,907.42 and 18,119,094.70
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Solution
The fourth proportional to 19,026,087.34, 26,212,907.42 and 18,119,094.70 is: 24,963,311.87
Step by Step Solution
- Step 1: Write the proportion equation
19,026,087.34 : 26,212,907.42 = 18,119,094.70 : x - Step 2: Convert to fraction form
19,026,087.34/26,212,907.42 = 18,119,094.70/x - Step 3: Cross multiply
19,026,087.34x = 26,212,907.42 × 18,119,094.70 - Step 4: Simplify right side
19,026,087.34x = 474,954,151,905,312.69 - Step 5: Solve for x
x = 474,954,151,905,312.69/19,026,087.34 - Step 6: Final answer
x = 24,963,311.87
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1.5x scale
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.