Finding the Fourth Proportional to 10,254,116.21, 14,152,420.49 and 5,905,720.17
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Solution
The fourth proportional to 10,254,116.21, 14,152,420.49 and 5,905,720.17 is: 8,150,896.03
Step by Step Solution
- Step 1: Write the proportion equation
10,254,116.21 : 14,152,420.49 = 5,905,720.17 : x - Step 2: Convert to fraction form
10,254,116.21/14,152,420.49 = 5,905,720.17/x - Step 3: Cross multiply
10,254,116.21x = 14,152,420.49 × 5,905,720.17 - Step 4: Simplify right side
10,254,116.21x = 83,580,235,112,585.67 - Step 5: Solve for x
x = 83,580,235,112,585.67/10,254,116.21 - Step 6: Final answer
x = 8,150,896.03
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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.