Finding the Fourth Proportional to 7,210,687.44, 9,957,493.71 and 4,636,840.08
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Solution
The fourth proportional to 7,210,687.44, 9,957,493.71 and 4,636,840.08 is: 6,403,176.72
Step by Step Solution
- Step 1: Write the proportion equation
7,210,687.44 : 9,957,493.71 = 4,636,840.08 : x - Step 2: Convert to fraction form
7,210,687.44/9,957,493.71 = 4,636,840.08/x - Step 3: Cross multiply
7,210,687.44x = 9,957,493.71 × 4,636,840.08 - Step 4: Simplify right side
7,210,687.44x = 46,171,305,930,875.90 - Step 5: Solve for x
x = 46,171,305,930,875.90/7,210,687.44 - Step 6: Final answer
x = 6,403,176.72
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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.