Finding the Fourth Proportional to 18,337,369.79, 27,506,968.37 and 6,978,698.75
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Solution
The fourth proportional to 18,337,369.79, 27,506,968.37 and 6,978,698.75 is: 10,468,395.85
Step by Step Solution
- Step 1: Write the proportion equation
18,337,369.79 : 27,506,968.37 = 6,978,698.75 : x - Step 2: Convert to fraction form
18,337,369.79/27,506,968.37 = 6,978,698.75/x - Step 3: Cross multiply
18,337,369.79x = 27,506,968.37 × 6,978,698.75 - Step 4: Simplify right side
18,337,369.79x = 191,962,845,866,222.72 - Step 5: Solve for x
x = 191,962,845,866,222.72/18,337,369.79 - Step 6: Final answer
x = 10,468,395.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.