Finding the Fourth Proportional to 23,112,147.80, 34,742,871.30 and 16,426,861.40
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Solution
The fourth proportional to 23,112,147.80, 34,742,871.30 and 16,426,861.40 is: 24,693,348.99
Step by Step Solution
- Step 1: Write the proportion equation
23,112,147.80 : 34,742,871.30 = 16,426,861.40 : x - Step 2: Convert to fraction form
23,112,147.80/34,742,871.30 = 16,426,861.40/x - Step 3: Cross multiply
23,112,147.80x = 34,742,871.30 × 16,426,861.40 - Step 4: Simplify right side
23,112,147.80x = 570,716,331,483,137.75 - Step 5: Solve for x
x = 570,716,331,483,137.75/23,112,147.80 - Step 6: Final answer
x = 24,693,348.99
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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.