Finding the Fourth Proportional to 7,138,917, 10,704,351.36 and 2,345,319.12
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Solution
The fourth proportional to 7,138,917, 10,704,351.36 and 2,345,319.12 is: 3,516,656.65
Step by Step Solution
- Step 1: Write the proportion equation
7,138,917 : 10,704,351.36 = 2,345,319.12 : x - Step 2: Convert to fraction form
7,138,917/10,704,351.36 = 2,345,319.12/x - Step 3: Cross multiply
7,138,917x = 10,704,351.36 × 2,345,319.12 - Step 4: Simplify right side
7,138,917x = 25,105,119,911,806.00 - Step 5: Solve for x
x = 25,105,119,911,806.00/7,138,917 - Step 6: Final answer
x = 3,516,656.65
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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.