Finding the Fourth Proportional to 7,913,429.58, 11,863,943.11 and 3,124,703.31
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Solution
The fourth proportional to 7,913,429.58, 11,863,943.11 and 3,124,703.31 is: 4,684,606.33
Step by Step Solution
- Step 1: Write the proportion equation
7,913,429.58 : 11,863,943.11 = 3,124,703.31 : x - Step 2: Convert to fraction form
7,913,429.58/11,863,943.11 = 3,124,703.31/x - Step 3: Cross multiply
7,913,429.58x = 11,863,943.11 × 3,124,703.31 - Step 4: Simplify right side
7,913,429.58x = 37,071,302,305,468.70 - Step 5: Solve for x
x = 37,071,302,305,468.70/7,913,429.58 - Step 6: Final answer
x = 4,684,606.33
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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.