Finding the Fourth Proportional to 26,895,283.20, 37,112,628.87 and 15,134,346.18
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Solution
The fourth proportional to 26,895,283.20, 37,112,628.87 and 15,134,346.18 is: 20,883,787.27
Step by Step Solution
- Step 1: Write the proportion equation
26,895,283.20 : 37,112,628.87 = 15,134,346.18 : x - Step 2: Convert to fraction form
26,895,283.20/37,112,628.87 = 15,134,346.18/x - Step 3: Cross multiply
26,895,283.20x = 37,112,628.87 × 15,134,346.18 - Step 4: Simplify right side
26,895,283.20x = 561,675,372,968,442.19 - Step 5: Solve for x
x = 561,675,372,968,442.19/26,895,283.20 - Step 6: Final answer
x = 20,883,787.27
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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.