Finding the Fourth Proportional to 7,017,930.18, 9,684,203.13 and 3,962,446.02
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Solution
The fourth proportional to 7,017,930.18, 9,684,203.13 and 3,962,446.02 is: 5,467,870.32
Step by Step Solution
- Step 1: Write the proportion equation
7,017,930.18 : 9,684,203.13 = 3,962,446.02 : x - Step 2: Convert to fraction form
7,017,930.18/9,684,203.13 = 3,962,446.02/x - Step 3: Cross multiply
7,017,930.18x = 9,684,203.13 × 3,962,446.02 - Step 4: Simplify right side
7,017,930.18x = 38,373,132,149,340.05 - Step 5: Solve for x
x = 38,373,132,149,340.05/7,017,930.18 - Step 6: Final answer
x = 5,467,870.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.