Finding the Fourth Proportional to 18,976,860.16, 28,465,347.84 and 4,599,871.36
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Solution
The fourth proportional to 18,976,860.16, 28,465,347.84 and 4,599,871.36 is: 6,899,821.00
Step by Step Solution
- Step 1: Write the proportion equation
18,976,860.16 : 28,465,347.84 = 4,599,871.36 : x - Step 2: Convert to fraction form
18,976,860.16/28,465,347.84 = 4,599,871.36/x - Step 3: Cross multiply
18,976,860.16x = 28,465,347.84 × 4,599,871.36 - Step 4: Simplify right side
18,976,860.16x = 130,936,938,281,653.88 - Step 5: Solve for x
x = 130,936,938,281,653.88/18,976,860.16 - Step 6: Final answer
x = 6,899,821.00
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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.