Finding the Fourth Proportional to 26,968,943.70, 40,458,664.35 and 7,800,326.10
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Solution
The fourth proportional to 26,968,943.70, 40,458,664.35 and 7,800,326.10 is: 11,702,007.28
Step by Step Solution
- Step 1: Write the proportion equation
26,968,943.70 : 40,458,664.35 = 7,800,326.10 : x - Step 2: Convert to fraction form
26,968,943.70/40,458,664.35 = 7,800,326.10/x - Step 3: Cross multiply
26,968,943.70x = 40,458,664.35 × 7,800,326.10 - Step 4: Simplify right side
26,968,943.70x = 315,590,775,500,444.56 - Step 5: Solve for x
x = 315,590,775,500,444.56/26,968,943.70 - Step 6: Final answer
x = 11,702,007.28
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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.