Finding the Fourth Proportional to 13,190,171.06, 19,756,023.69 and 10,135,048.70
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Solution
The fourth proportional to 13,190,171.06, 19,756,023.69 and 10,135,048.70 is: 15,180,111.10
Step by Step Solution
- Step 1: Write the proportion equation
13,190,171.06 : 19,756,023.69 = 10,135,048.70 : x - Step 2: Convert to fraction form
13,190,171.06/19,756,023.69 = 10,135,048.70/x - Step 3: Cross multiply
13,190,171.06x = 19,756,023.69 × 10,135,048.70 - Step 4: Simplify right side
13,190,171.06x = 200,228,262,165,828.44 - Step 5: Solve for x
x = 200,228,262,165,828.44/13,190,171.06 - Step 6: Final answer
x = 15,180,111.10
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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.