Finding the Fourth Proportional to 15,751,751.25, 21,737,288.02 and 8,782,346.01
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Solution
The fourth proportional to 15,751,751.25, 21,737,288.02 and 8,782,346.01 is: 12,119,565.73
Step by Step Solution
- Step 1: Write the proportion equation
15,751,751.25 : 21,737,288.02 = 8,782,346.01 : x - Step 2: Convert to fraction form
15,751,751.25/21,737,288.02 = 8,782,346.01/x - Step 3: Cross multiply
15,751,751.25x = 21,737,288.02 × 8,782,346.01 - Step 4: Simplify right side
15,751,751.25x = 190,904,384,666,756.06 - Step 5: Solve for x
x = 190,904,384,666,756.06/15,751,751.25 - Step 6: Final answer
x = 12,119,565.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.