Finding the Fourth Proportional to 28,845,657.54, 43,274,260.35 and 10,649,963.70
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Solution
The fourth proportional to 28,845,657.54, 43,274,260.35 and 10,649,963.70 is: 15,977,077.35
Step by Step Solution
- Step 1: Write the proportion equation
28,845,657.54 : 43,274,260.35 = 10,649,963.70 : x - Step 2: Convert to fraction form
28,845,657.54/43,274,260.35 = 10,649,963.70/x - Step 3: Cross multiply
28,845,657.54x = 43,274,260.35 × 10,649,963.70 - Step 4: Simplify right side
28,845,657.54x = 460,869,301,871,849.25 - Step 5: Solve for x
x = 460,869,301,871,849.25/28,845,657.54 - Step 6: Final answer
x = 15,977,077.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.