Finding the Fourth Proportional to 15,119,532.62, 22,672,993.05 and 4,742,077.98
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Solution
The fourth proportional to 15,119,532.62, 22,672,993.05 and 4,742,077.98 is: 7,111,139.20
Step by Step Solution
- Step 1: Write the proportion equation
15,119,532.62 : 22,672,993.05 = 4,742,077.98 : x - Step 2: Convert to fraction form
15,119,532.62/22,672,993.05 = 4,742,077.98/x - Step 3: Cross multiply
15,119,532.62x = 22,672,993.05 × 4,742,077.98 - Step 4: Simplify right side
15,119,532.62x = 107,517,101,083,098.05 - Step 5: Solve for x
x = 107,517,101,083,098.05/15,119,532.62 - Step 6: Final answer
x = 7,111,139.20
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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.