Finding the Fourth Proportional to 13,493,451.34, 20,240,160.58 and 4,395,534.07
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Solution
The fourth proportional to 13,493,451.34, 20,240,160.58 and 4,395,534.07 is: 6,593,295.75
Step by Step Solution
- Step 1: Write the proportion equation
13,493,451.34 : 20,240,160.58 = 4,395,534.07 : x - Step 2: Convert to fraction form
13,493,451.34/20,240,160.58 = 4,395,534.07/x - Step 3: Cross multiply
13,493,451.34x = 20,240,160.58 × 4,395,534.07 - Step 4: Simplify right side
13,493,451.34x = 88,966,315,411,660.95 - Step 5: Solve for x
x = 88,966,315,411,660.95/13,493,451.34 - Step 6: Final answer
x = 6,593,295.75
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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.