Finding the Fourth Proportional to 26,178,899.79, 39,172,687.53 and 15,401,276.31
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Solution
The fourth proportional to 26,178,899.79, 39,172,687.53 and 15,401,276.31 is: 23,045,635.58
Step by Step Solution
- Step 1: Write the proportion equation
26,178,899.79 : 39,172,687.53 = 15,401,276.31 : x - Step 2: Convert to fraction form
26,178,899.79/39,172,687.53 = 15,401,276.31/x - Step 3: Cross multiply
26,178,899.79x = 39,172,687.53 × 15,401,276.31 - Step 4: Simplify right side
26,178,899.79x = 603,309,384,543,964.25 - Step 5: Solve for x
x = 603,309,384,543,964.25/26,178,899.79 - Step 6: Final answer
x = 23,045,635.58
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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.