Finding the Fourth Proportional to 35,383,840.62, 48,831,270.84 and 19,914,927.18
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Solution
The fourth proportional to 35,383,840.62, 48,831,270.84 and 19,914,927.18 is: 27,483,483.59
Step by Step Solution
- Step 1: Write the proportion equation
35,383,840.62 : 48,831,270.84 = 19,914,927.18 : x - Step 2: Convert to fraction form
35,383,840.62/48,831,270.84 = 19,914,927.18/x - Step 3: Cross multiply
35,383,840.62x = 48,831,270.84 × 19,914,927.18 - Step 4: Simplify right side
35,383,840.62x = 972,471,202,885,457.50 - Step 5: Solve for x
x = 972,471,202,885,457.50/35,383,840.62 - Step 6: Final answer
x = 27,483,483.59
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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.