Finding the Fourth Proportional to 18,806,577.20, 28,209,865.80 and 6,036,246.80
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Solution
The fourth proportional to 18,806,577.20, 28,209,865.80 and 6,036,246.80 is: 9,054,370.20
Step by Step Solution
- Step 1: Write the proportion equation
18,806,577.20 : 28,209,865.80 = 6,036,246.80 : x - Step 2: Convert to fraction form
18,806,577.20/28,209,865.80 = 6,036,246.80/x - Step 3: Cross multiply
18,806,577.20x = 28,209,865.80 × 6,036,246.80 - Step 4: Simplify right side
18,806,577.20x = 170,281,712,163,679.44 - Step 5: Solve for x
x = 170,281,712,163,679.44/18,806,577.20 - Step 6: Final answer
x = 9,054,370.20
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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.