Finding the Fourth Proportional to 31,651,122.79, 47,470,041.08 and 8,926,705.63
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Solution
The fourth proportional to 31,651,122.79, 47,470,041.08 and 8,926,705.63 is: 13,388,184.86
Step by Step Solution
- Step 1: Write the proportion equation
31,651,122.79 : 47,470,041.08 = 8,926,705.63 : x - Step 2: Convert to fraction form
31,651,122.79/47,470,041.08 = 8,926,705.63/x - Step 3: Cross multiply
31,651,122.79x = 47,470,041.08 × 8,926,705.63 - Step 4: Simplify right side
31,651,122.79x = 423,751,082,835,333.75 - Step 5: Solve for x
x = 423,751,082,835,333.75/31,651,122.79 - Step 6: Final answer
x = 13,388,184.86
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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.