Finding the Fourth Proportional to 11,564,559.87, 15,958,854.68 and 6,407,876.31
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Solution
The fourth proportional to 11,564,559.87, 15,958,854.68 and 6,407,876.31 is: 8,842,737.46
Step by Step Solution
- Step 1: Write the proportion equation
11,564,559.87 : 15,958,854.68 = 6,407,876.31 : x - Step 2: Convert to fraction form
11,564,559.87/15,958,854.68 = 6,407,876.31/x - Step 3: Cross multiply
11,564,559.87x = 15,958,854.68 × 6,407,876.31 - Step 4: Simplify right side
11,564,559.87x = 102,262,366,806,665.25 - Step 5: Solve for x
x = 102,262,366,806,665.25/11,564,559.87 - Step 6: Final answer
x = 8,842,737.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.