Finding the Fourth Proportional to 10,565,861.40, 15,842,315.21 and 4,497,137.28
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Solution
The fourth proportional to 10,565,861.40, 15,842,315.21 and 4,497,137.28 is: 6,742,949.17
Step by Step Solution
- Step 1: Write the proportion equation
10,565,861.40 : 15,842,315.21 = 4,497,137.28 : x - Step 2: Convert to fraction form
10,565,861.40/15,842,315.21 = 4,497,137.28/x - Step 3: Cross multiply
10,565,861.40x = 15,842,315.21 × 4,497,137.28 - Step 4: Simplify right side
10,565,861.40x = 71,245,066,309,916.34 - Step 5: Solve for x
x = 71,245,066,309,916.34/10,565,861.40 - Step 6: Final answer
x = 6,742,949.17
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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.