Finding the Fourth Proportional to 26,932,946.84, 40,405,101.06 and 8,735,728.76
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Solution
The fourth proportional to 26,932,946.84, 40,405,101.06 and 8,735,728.76 is: 13,105,435.71
Step by Step Solution
- Step 1: Write the proportion equation
26,932,946.84 : 40,405,101.06 = 8,735,728.76 : x - Step 2: Convert to fraction form
26,932,946.84/40,405,101.06 = 8,735,728.76/x - Step 3: Cross multiply
26,932,946.84x = 40,405,101.06 × 8,735,728.76 - Step 4: Simplify right side
26,932,946.84x = 352,968,003,380,548.50 - Step 5: Solve for x
x = 352,968,003,380,548.50/26,932,946.84 - Step 6: Final answer
x = 13,105,435.71
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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.