Finding the Fourth Proportional to 7,703,407.12, 11,557,029.60 and 2,312,157.28
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Solution
The fourth proportional to 7,703,407.12, 11,557,029.60 and 2,312,157.28 is: 3,468,811.88
Step by Step Solution
- Step 1: Write the proportion equation
7,703,407.12 : 11,557,029.60 = 2,312,157.28 : x - Step 2: Convert to fraction form
7,703,407.12/11,557,029.60 = 2,312,157.28/x - Step 3: Cross multiply
7,703,407.12x = 11,557,029.60 × 2,312,157.28 - Step 4: Simplify right side
7,703,407.12x = 26,721,670,124,815.48 - Step 5: Solve for x
x = 26,721,670,124,815.48/7,703,407.12 - Step 6: Final answer
x = 3,468,811.88
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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.