Finding the Fourth Proportional to 7,928,024.18, 11,893,807.74 and 2,536,998.12
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Solution
The fourth proportional to 7,928,024.18, 11,893,807.74 and 2,536,998.12 is: 3,806,064.06
Step by Step Solution
- Step 1: Write the proportion equation
7,928,024.18 : 11,893,807.74 = 2,536,998.12 : x - Step 2: Convert to fraction form
7,928,024.18/11,893,807.74 = 2,536,998.12/x - Step 3: Cross multiply
7,928,024.18x = 11,893,807.74 × 2,536,998.12 - Step 4: Simplify right side
7,928,024.18x = 30,174,567,876,021.45 - Step 5: Solve for x
x = 30,174,567,876,021.45/7,928,024.18 - Step 6: Final answer
x = 3,806,064.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.