Finding the Fourth Proportional to 21,557,645.06, 32,341,564.79 and 6,984,541.00
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Solution
The fourth proportional to 21,557,645.06, 32,341,564.79 and 6,984,541.00 is: 10,478,462.96
Step by Step Solution
- Step 1: Write the proportion equation
21,557,645.06 : 32,341,564.79 = 6,984,541.00 : x - Step 2: Convert to fraction form
21,557,645.06/32,341,564.79 = 6,984,541.00/x - Step 3: Cross multiply
21,557,645.06x = 32,341,564.79 × 6,984,541.00 - Step 4: Simplify right side
21,557,645.06x = 225,890,985,219,099.22 - Step 5: Solve for x
x = 225,890,985,219,099.22/21,557,645.06 - Step 6: Final answer
x = 10,478,462.96
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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.