Finding the Fourth Proportional to 13,693,417.05, 20,542,128.30 and 4,109,552.94
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Solution
The fourth proportional to 13,693,417.05, 20,542,128.30 and 4,109,552.94 is: 6,164,930.45
Step by Step Solution
- Step 1: Write the proportion equation
13,693,417.05 : 20,542,128.30 = 4,109,552.94 : x - Step 2: Convert to fraction form
13,693,417.05/20,542,128.30 = 4,109,552.94/x - Step 3: Cross multiply
13,693,417.05x = 20,542,128.30 × 4,109,552.94 - Step 4: Simplify right side
13,693,417.05x = 84,418,963,749,122.20 - Step 5: Solve for x
x = 84,418,963,749,122.20/13,693,417.05 - Step 6: Final answer
x = 6,164,930.45
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1.5x scale
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.